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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.163/src/private/ser.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>ser.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../serde/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../serde/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span>
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</pre><pre class="rust"><code><span class="kw">use </span>lib::<span class="kw-2">*</span>;
<span class="kw">use </span>ser::{<span class="self">self</span>, Impossible, Serialize, SerializeMap, SerializeStruct, Serializer};
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">use </span><span class="self">self</span>::content::{
Content, ContentSerializer, SerializeStructVariantAsMapValue, SerializeTupleVariantAsMapValue,
};
<span class="doccomment">/// Used to check that serde(getter) attributes return the expected type.
/// Not public API.
</span><span class="kw">pub fn </span>constrain&lt;T: <span class="question-mark">?</span>Sized&gt;(t: <span class="kw-2">&amp;</span>T) -&gt; <span class="kw-2">&amp;</span>T {
t
}
<span class="doccomment">/// Not public API.
</span><span class="kw">pub fn </span>serialize_tagged_newtype&lt;S, T&gt;(
serializer: S,
type_ident: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_ident: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
tag: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;S::Ok, S::Error&gt;
<span class="kw">where
</span>S: Serializer,
T: Serialize,
{
value.serialize(TaggedSerializer {
type_ident: type_ident,
variant_ident: variant_ident,
tag: tag,
variant_name: variant_name,
delegate: serializer,
})
}
<span class="kw">struct </span>TaggedSerializer&lt;S&gt; {
type_ident: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_ident: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
tag: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
delegate: S,
}
<span class="kw">enum </span>Unsupported {
Boolean,
Integer,
Float,
Char,
String,
ByteArray,
Optional,
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span>UnitStruct,
Sequence,
Tuple,
TupleStruct,
Enum,
}
<span class="kw">impl </span>Display <span class="kw">for </span>Unsupported {
<span class="kw">fn </span>fmt(<span class="kw-2">&amp;</span><span class="self">self</span>, formatter: <span class="kw-2">&amp;mut </span>fmt::Formatter) -&gt; fmt::Result {
<span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
Unsupported::Boolean =&gt; formatter.write_str(<span class="string">&quot;a boolean&quot;</span>),
Unsupported::Integer =&gt; formatter.write_str(<span class="string">&quot;an integer&quot;</span>),
Unsupported::Float =&gt; formatter.write_str(<span class="string">&quot;a float&quot;</span>),
Unsupported::Char =&gt; formatter.write_str(<span class="string">&quot;a char&quot;</span>),
Unsupported::String =&gt; formatter.write_str(<span class="string">&quot;a string&quot;</span>),
Unsupported::ByteArray =&gt; formatter.write_str(<span class="string">&quot;a byte array&quot;</span>),
Unsupported::Optional =&gt; formatter.write_str(<span class="string">&quot;an optional&quot;</span>),
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span>Unsupported::UnitStruct =&gt; formatter.write_str(<span class="string">&quot;unit struct&quot;</span>),
Unsupported::Sequence =&gt; formatter.write_str(<span class="string">&quot;a sequence&quot;</span>),
Unsupported::Tuple =&gt; formatter.write_str(<span class="string">&quot;a tuple&quot;</span>),
Unsupported::TupleStruct =&gt; formatter.write_str(<span class="string">&quot;a tuple struct&quot;</span>),
Unsupported::Enum =&gt; formatter.write_str(<span class="string">&quot;an enum&quot;</span>),
}
}
}
<span class="kw">impl</span>&lt;S&gt; TaggedSerializer&lt;S&gt;
<span class="kw">where
</span>S: Serializer,
{
<span class="kw">fn </span>bad_type(<span class="self">self</span>, what: Unsupported) -&gt; S::Error {
ser::Error::custom(<span class="macro">format_args!</span>(
<span class="string">&quot;cannot serialize tagged newtype variant {}::{} containing {}&quot;</span>,
<span class="self">self</span>.type_ident, <span class="self">self</span>.variant_ident, what
))
}
}
<span class="kw">impl</span>&lt;S&gt; Serializer <span class="kw">for </span>TaggedSerializer&lt;S&gt;
<span class="kw">where
</span>S: Serializer,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= S::Ok;
<span class="kw">type </span>Error = S::Error;
<span class="kw">type </span>SerializeSeq = Impossible&lt;S::Ok, S::Error&gt;;
<span class="kw">type </span>SerializeTuple = Impossible&lt;S::Ok, S::Error&gt;;
<span class="kw">type </span>SerializeTupleStruct = Impossible&lt;S::Ok, S::Error&gt;;
<span class="kw">type </span>SerializeMap = S::SerializeMap;
<span class="kw">type </span>SerializeStruct = S::SerializeStruct;
<span class="attribute">#[cfg(not(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>)))]
</span><span class="kw">type </span>SerializeTupleVariant = Impossible&lt;S::Ok, S::Error&gt;;
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">type </span>SerializeTupleVariant = SerializeTupleVariantAsMapValue&lt;S::SerializeMap&gt;;
<span class="attribute">#[cfg(not(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>)))]
</span><span class="kw">type </span>SerializeStructVariant = Impossible&lt;S::Ok, S::Error&gt;;
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">type </span>SerializeStructVariant = SerializeStructVariantAsMapValue&lt;S::SerializeMap&gt;;
<span class="kw">fn </span>serialize_bool(<span class="self">self</span>, <span class="kw">_</span>: bool) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Boolean))
}
<span class="kw">fn </span>serialize_i8(<span class="self">self</span>, <span class="kw">_</span>: i8) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_i16(<span class="self">self</span>, <span class="kw">_</span>: i16) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_i32(<span class="self">self</span>, <span class="kw">_</span>: i32) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_i64(<span class="self">self</span>, <span class="kw">_</span>: i64) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_u8(<span class="self">self</span>, <span class="kw">_</span>: u8) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_u16(<span class="self">self</span>, <span class="kw">_</span>: u16) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_u32(<span class="self">self</span>, <span class="kw">_</span>: u32) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_u64(<span class="self">self</span>, <span class="kw">_</span>: u64) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_f32(<span class="self">self</span>, <span class="kw">_</span>: f32) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Float))
}
<span class="kw">fn </span>serialize_f64(<span class="self">self</span>, <span class="kw">_</span>: f64) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Float))
}
<span class="kw">fn </span>serialize_char(<span class="self">self</span>, <span class="kw">_</span>: char) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Char))
}
<span class="kw">fn </span>serialize_str(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;</span>str) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::String))
}
<span class="kw">fn </span>serialize_bytes(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;</span>[u8]) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::ByteArray))
}
<span class="kw">fn </span>serialize_none(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Optional))
}
<span class="kw">fn </span>serialize_some&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Optional))
}
<span class="kw">fn </span>serialize_unit(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="kw">let </span><span class="kw-2">mut </span>map = <span class="macro">try!</span>(<span class="self">self</span>.delegate.serialize_map(<span class="prelude-val">Some</span>(<span class="number">1</span>)));
<span class="macro">try!</span>(map.serialize_entry(<span class="self">self</span>.tag, <span class="self">self</span>.variant_name));
map.end()
}
<span class="kw">fn </span>serialize_unit_struct(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="kw">let </span><span class="kw-2">mut </span>map = <span class="macro">try!</span>(<span class="self">self</span>.delegate.serialize_map(<span class="prelude-val">Some</span>(<span class="number">1</span>)));
<span class="macro">try!</span>(map.serialize_entry(<span class="self">self</span>.tag, <span class="self">self</span>.variant_name));
map.end()
}
<span class="kw">fn </span>serialize_unit_variant(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
inner_variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="kw">let </span><span class="kw-2">mut </span>map = <span class="macro">try!</span>(<span class="self">self</span>.delegate.serialize_map(<span class="prelude-val">Some</span>(<span class="number">2</span>)));
<span class="macro">try!</span>(map.serialize_entry(<span class="self">self</span>.tag, <span class="self">self</span>.variant_name));
<span class="macro">try!</span>(map.serialize_entry(inner_variant, <span class="kw-2">&amp;</span>()));
map.end()
}
<span class="kw">fn </span>serialize_newtype_struct&lt;T: <span class="question-mark">?</span>Sized&gt;(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
value.serialize(<span class="self">self</span>)
}
<span class="kw">fn </span>serialize_newtype_variant&lt;T: <span class="question-mark">?</span>Sized&gt;(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
inner_variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
inner_value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span><span class="kw-2">mut </span>map = <span class="macro">try!</span>(<span class="self">self</span>.delegate.serialize_map(<span class="prelude-val">Some</span>(<span class="number">2</span>)));
<span class="macro">try!</span>(map.serialize_entry(<span class="self">self</span>.tag, <span class="self">self</span>.variant_name));
<span class="macro">try!</span>(map.serialize_entry(inner_variant, inner_value));
map.end()
}
<span class="kw">fn </span>serialize_seq(<span class="self">self</span>, <span class="kw">_</span>: <span class="prelude-ty">Option</span>&lt;usize&gt;) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeSeq, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Sequence))
}
<span class="kw">fn </span>serialize_tuple(<span class="self">self</span>, <span class="kw">_</span>: usize) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTuple, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Tuple))
}
<span class="kw">fn </span>serialize_tuple_struct(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTupleStruct, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::TupleStruct))
}
<span class="attribute">#[cfg(not(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>)))]
</span><span class="kw">fn </span>serialize_tuple_variant(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTupleVariant, <span class="self">Self</span>::Error&gt; {
<span class="comment">// Lack of push-based serialization means we need to buffer the content
// of the tuple variant, so it requires std.
</span><span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Enum))
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">fn </span>serialize_tuple_variant(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
inner_variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
len: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTupleVariant, <span class="self">Self</span>::Error&gt; {
<span class="kw">let </span><span class="kw-2">mut </span>map = <span class="macro">try!</span>(<span class="self">self</span>.delegate.serialize_map(<span class="prelude-val">Some</span>(<span class="number">2</span>)));
<span class="macro">try!</span>(map.serialize_entry(<span class="self">self</span>.tag, <span class="self">self</span>.variant_name));
<span class="macro">try!</span>(map.serialize_key(inner_variant));
<span class="prelude-val">Ok</span>(SerializeTupleVariantAsMapValue::new(
map,
inner_variant,
len,
))
}
<span class="kw">fn </span>serialize_map(<span class="self">self</span>, len: <span class="prelude-ty">Option</span>&lt;usize&gt;) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeMap, <span class="self">Self</span>::Error&gt; {
<span class="kw">let </span><span class="kw-2">mut </span>map = <span class="macro">try!</span>(<span class="self">self</span>.delegate.serialize_map(len.map(|len| len + <span class="number">1</span>)));
<span class="macro">try!</span>(map.serialize_entry(<span class="self">self</span>.tag, <span class="self">self</span>.variant_name));
<span class="prelude-val">Ok</span>(map)
}
<span class="kw">fn </span>serialize_struct(
<span class="self">self</span>,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
len: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeStruct, <span class="self">Self</span>::Error&gt; {
<span class="kw">let </span><span class="kw-2">mut </span>state = <span class="macro">try!</span>(<span class="self">self</span>.delegate.serialize_struct(name, len + <span class="number">1</span>));
<span class="macro">try!</span>(state.serialize_field(<span class="self">self</span>.tag, <span class="self">self</span>.variant_name));
<span class="prelude-val">Ok</span>(state)
}
<span class="attribute">#[cfg(not(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>)))]
</span><span class="kw">fn </span>serialize_struct_variant(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeStructVariant, <span class="self">Self</span>::Error&gt; {
<span class="comment">// Lack of push-based serialization means we need to buffer the content
// of the struct variant, so it requires std.
</span><span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::Enum))
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">fn </span>serialize_struct_variant(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
inner_variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
len: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeStructVariant, <span class="self">Self</span>::Error&gt; {
<span class="kw">let </span><span class="kw-2">mut </span>map = <span class="macro">try!</span>(<span class="self">self</span>.delegate.serialize_map(<span class="prelude-val">Some</span>(<span class="number">2</span>)));
<span class="macro">try!</span>(map.serialize_entry(<span class="self">self</span>.tag, <span class="self">self</span>.variant_name));
<span class="macro">try!</span>(map.serialize_key(inner_variant));
<span class="prelude-val">Ok</span>(SerializeStructVariantAsMapValue::new(
map,
inner_variant,
len,
))
}
<span class="attribute">#[cfg(not(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>)))]
</span><span class="kw">fn </span>collect_str&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Display,
{
<span class="prelude-val">Err</span>(<span class="self">self</span>.bad_type(Unsupported::String))
}
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">mod </span>content {
<span class="kw">use </span>lib::<span class="kw-2">*</span>;
<span class="kw">use </span>ser::{<span class="self">self</span>, Serialize, Serializer};
<span class="kw">pub struct </span>SerializeTupleVariantAsMapValue&lt;M&gt; {
map: M,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
fields: Vec&lt;Content&gt;,
}
<span class="kw">impl</span>&lt;M&gt; SerializeTupleVariantAsMapValue&lt;M&gt; {
<span class="kw">pub fn </span>new(map: M, name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, len: usize) -&gt; <span class="self">Self </span>{
SerializeTupleVariantAsMapValue {
map: map,
name: name,
fields: Vec::with_capacity(len),
}
}
}
<span class="kw">impl</span>&lt;M&gt; ser::SerializeTupleVariant <span class="kw">for </span>SerializeTupleVariantAsMapValue&lt;M&gt;
<span class="kw">where
</span>M: ser::SerializeMap,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= M::Ok;
<span class="kw">type </span>Error = M::Error;
<span class="kw">fn </span>serialize_field&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), M::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;M::Error&gt;::new()));
<span class="self">self</span>.fields.push(value);
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="kw-2">mut </span><span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;M::Ok, M::Error&gt; {
<span class="macro">try!</span>(<span class="self">self
</span>.map
.serialize_value(<span class="kw-2">&amp;</span>Content::TupleStruct(<span class="self">self</span>.name, <span class="self">self</span>.fields)));
<span class="self">self</span>.map.end()
}
}
<span class="kw">pub struct </span>SerializeStructVariantAsMapValue&lt;M&gt; {
map: M,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
fields: Vec&lt;(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Content)&gt;,
}
<span class="kw">impl</span>&lt;M&gt; SerializeStructVariantAsMapValue&lt;M&gt; {
<span class="kw">pub fn </span>new(map: M, name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, len: usize) -&gt; <span class="self">Self </span>{
SerializeStructVariantAsMapValue {
map: map,
name: name,
fields: Vec::with_capacity(len),
}
}
}
<span class="kw">impl</span>&lt;M&gt; ser::SerializeStructVariant <span class="kw">for </span>SerializeStructVariantAsMapValue&lt;M&gt;
<span class="kw">where
</span>M: ser::SerializeMap,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= M::Ok;
<span class="kw">type </span>Error = M::Error;
<span class="kw">fn </span>serialize_field&lt;T: <span class="question-mark">?</span>Sized&gt;(
<span class="kw-2">&amp;mut </span><span class="self">self</span>,
key: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;(), M::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;M::Error&gt;::new()));
<span class="self">self</span>.fields.push((key, value));
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="kw-2">mut </span><span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;M::Ok, M::Error&gt; {
<span class="macro">try!</span>(<span class="self">self
</span>.map
.serialize_value(<span class="kw-2">&amp;</span>Content::Struct(<span class="self">self</span>.name, <span class="self">self</span>.fields)));
<span class="self">self</span>.map.end()
}
}
<span class="kw">pub enum </span>Content {
Bool(bool),
U8(u8),
U16(u16),
U32(u32),
U64(u64),
I8(i8),
I16(i16),
I32(i32),
I64(i64),
F32(f32),
F64(f64),
Char(char),
String(String),
Bytes(Vec&lt;u8&gt;),
<span class="prelude-val">None</span>,
<span class="prelude-val">Some</span>(Box&lt;Content&gt;),
Unit,
UnitStruct(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str),
UnitVariant(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, u32, <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str),
NewtypeStruct(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Box&lt;Content&gt;),
NewtypeVariant(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, u32, <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Box&lt;Content&gt;),
Seq(Vec&lt;Content&gt;),
Tuple(Vec&lt;Content&gt;),
TupleStruct(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Vec&lt;Content&gt;),
TupleVariant(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, u32, <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Vec&lt;Content&gt;),
Map(Vec&lt;(Content, Content)&gt;),
Struct(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Vec&lt;(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Content)&gt;),
StructVariant(
<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
u32,
<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
Vec&lt;(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Content)&gt;,
),
}
<span class="kw">impl </span>Serialize <span class="kw">for </span>Content {
<span class="kw">fn </span>serialize&lt;S&gt;(<span class="kw-2">&amp;</span><span class="self">self</span>, serializer: S) -&gt; <span class="prelude-ty">Result</span>&lt;S::Ok, S::Error&gt;
<span class="kw">where
</span>S: Serializer,
{
<span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
Content::Bool(b) =&gt; serializer.serialize_bool(b),
Content::U8(u) =&gt; serializer.serialize_u8(u),
Content::U16(u) =&gt; serializer.serialize_u16(u),
Content::U32(u) =&gt; serializer.serialize_u32(u),
Content::U64(u) =&gt; serializer.serialize_u64(u),
Content::I8(i) =&gt; serializer.serialize_i8(i),
Content::I16(i) =&gt; serializer.serialize_i16(i),
Content::I32(i) =&gt; serializer.serialize_i32(i),
Content::I64(i) =&gt; serializer.serialize_i64(i),
Content::F32(f) =&gt; serializer.serialize_f32(f),
Content::F64(f) =&gt; serializer.serialize_f64(f),
Content::Char(c) =&gt; serializer.serialize_char(c),
Content::String(<span class="kw-2">ref </span>s) =&gt; serializer.serialize_str(s),
Content::Bytes(<span class="kw-2">ref </span>b) =&gt; serializer.serialize_bytes(b),
Content::None =&gt; serializer.serialize_none(),
Content::Some(<span class="kw-2">ref </span>c) =&gt; serializer.serialize_some(<span class="kw-2">&amp;**</span>c),
Content::Unit =&gt; serializer.serialize_unit(),
Content::UnitStruct(n) =&gt; serializer.serialize_unit_struct(n),
Content::UnitVariant(n, i, v) =&gt; serializer.serialize_unit_variant(n, i, v),
Content::NewtypeStruct(n, <span class="kw-2">ref </span>c) =&gt; serializer.serialize_newtype_struct(n, <span class="kw-2">&amp;**</span>c),
Content::NewtypeVariant(n, i, v, <span class="kw-2">ref </span>c) =&gt; {
serializer.serialize_newtype_variant(n, i, v, <span class="kw-2">&amp;**</span>c)
}
Content::Seq(<span class="kw-2">ref </span>elements) =&gt; elements.serialize(serializer),
Content::Tuple(<span class="kw-2">ref </span>elements) =&gt; {
<span class="kw">use </span>ser::SerializeTuple;
<span class="kw">let </span><span class="kw-2">mut </span>tuple = <span class="macro">try!</span>(serializer.serialize_tuple(elements.len()));
<span class="kw">for </span>e <span class="kw">in </span>elements {
<span class="macro">try!</span>(tuple.serialize_element(e));
}
tuple.end()
}
Content::TupleStruct(n, <span class="kw-2">ref </span>fields) =&gt; {
<span class="kw">use </span>ser::SerializeTupleStruct;
<span class="kw">let </span><span class="kw-2">mut </span>ts = <span class="macro">try!</span>(serializer.serialize_tuple_struct(n, fields.len()));
<span class="kw">for </span>f <span class="kw">in </span>fields {
<span class="macro">try!</span>(ts.serialize_field(f));
}
ts.end()
}
Content::TupleVariant(n, i, v, <span class="kw-2">ref </span>fields) =&gt; {
<span class="kw">use </span>ser::SerializeTupleVariant;
<span class="kw">let </span><span class="kw-2">mut </span>tv = <span class="macro">try!</span>(serializer.serialize_tuple_variant(n, i, v, fields.len()));
<span class="kw">for </span>f <span class="kw">in </span>fields {
<span class="macro">try!</span>(tv.serialize_field(f));
}
tv.end()
}
Content::Map(<span class="kw-2">ref </span>entries) =&gt; {
<span class="kw">use </span>ser::SerializeMap;
<span class="kw">let </span><span class="kw-2">mut </span>map = <span class="macro">try!</span>(serializer.serialize_map(<span class="prelude-val">Some</span>(entries.len())));
<span class="kw">for </span>(k, v) <span class="kw">in </span>entries {
<span class="macro">try!</span>(map.serialize_entry(k, v));
}
map.end()
}
Content::Struct(n, <span class="kw-2">ref </span>fields) =&gt; {
<span class="kw">use </span>ser::SerializeStruct;
<span class="kw">let </span><span class="kw-2">mut </span>s = <span class="macro">try!</span>(serializer.serialize_struct(n, fields.len()));
<span class="kw">for </span><span class="kw-2">&amp;</span>(k, <span class="kw-2">ref </span>v) <span class="kw">in </span>fields {
<span class="macro">try!</span>(s.serialize_field(k, v));
}
s.end()
}
Content::StructVariant(n, i, v, <span class="kw-2">ref </span>fields) =&gt; {
<span class="kw">use </span>ser::SerializeStructVariant;
<span class="kw">let </span><span class="kw-2">mut </span>sv = <span class="macro">try!</span>(serializer.serialize_struct_variant(n, i, v, fields.len()));
<span class="kw">for </span><span class="kw-2">&amp;</span>(k, <span class="kw-2">ref </span>v) <span class="kw">in </span>fields {
<span class="macro">try!</span>(sv.serialize_field(k, v));
}
sv.end()
}
}
}
}
<span class="kw">pub struct </span>ContentSerializer&lt;E&gt; {
error: PhantomData&lt;E&gt;,
}
<span class="kw">impl</span>&lt;E&gt; ContentSerializer&lt;E&gt; {
<span class="kw">pub fn </span>new() -&gt; <span class="self">Self </span>{
ContentSerializer { error: PhantomData }
}
}
<span class="kw">impl</span>&lt;E&gt; Serializer <span class="kw">for </span>ContentSerializer&lt;E&gt;
<span class="kw">where
</span>E: ser::Error,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= Content;
<span class="kw">type </span>Error = E;
<span class="kw">type </span>SerializeSeq = SerializeSeq&lt;E&gt;;
<span class="kw">type </span>SerializeTuple = SerializeTuple&lt;E&gt;;
<span class="kw">type </span>SerializeTupleStruct = SerializeTupleStruct&lt;E&gt;;
<span class="kw">type </span>SerializeTupleVariant = SerializeTupleVariant&lt;E&gt;;
<span class="kw">type </span>SerializeMap = SerializeMap&lt;E&gt;;
<span class="kw">type </span>SerializeStruct = SerializeStruct&lt;E&gt;;
<span class="kw">type </span>SerializeStructVariant = SerializeStructVariant&lt;E&gt;;
<span class="kw">fn </span>serialize_bool(<span class="self">self</span>, v: bool) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::Bool(v))
}
<span class="kw">fn </span>serialize_i8(<span class="self">self</span>, v: i8) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::I8(v))
}
<span class="kw">fn </span>serialize_i16(<span class="self">self</span>, v: i16) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::I16(v))
}
<span class="kw">fn </span>serialize_i32(<span class="self">self</span>, v: i32) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::I32(v))
}
<span class="kw">fn </span>serialize_i64(<span class="self">self</span>, v: i64) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::I64(v))
}
<span class="kw">fn </span>serialize_u8(<span class="self">self</span>, v: u8) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::U8(v))
}
<span class="kw">fn </span>serialize_u16(<span class="self">self</span>, v: u16) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::U16(v))
}
<span class="kw">fn </span>serialize_u32(<span class="self">self</span>, v: u32) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::U32(v))
}
<span class="kw">fn </span>serialize_u64(<span class="self">self</span>, v: u64) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::U64(v))
}
<span class="kw">fn </span>serialize_f32(<span class="self">self</span>, v: f32) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::F32(v))
}
<span class="kw">fn </span>serialize_f64(<span class="self">self</span>, v: f64) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::F64(v))
}
<span class="kw">fn </span>serialize_char(<span class="self">self</span>, v: char) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::Char(v))
}
<span class="kw">fn </span>serialize_str(<span class="self">self</span>, value: <span class="kw-2">&amp;</span>str) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::String(value.to_owned()))
}
<span class="kw">fn </span>serialize_bytes(<span class="self">self</span>, value: <span class="kw-2">&amp;</span>[u8]) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::Bytes(value.to_owned()))
}
<span class="kw">fn </span>serialize_none(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::None)
}
<span class="kw">fn </span>serialize_some&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="self">self</span>, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="prelude-val">Ok</span>(Content::Some(Box::new(<span class="macro">try!</span>(value.serialize(<span class="self">self</span>)))))
}
<span class="kw">fn </span>serialize_unit(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::Unit)
}
<span class="kw">fn </span>serialize_unit_struct(<span class="self">self</span>, name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::UnitStruct(name))
}
<span class="kw">fn </span>serialize_unit_variant(
<span class="self">self</span>,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_index: u32,
variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::UnitVariant(name, variant_index, variant))
}
<span class="kw">fn </span>serialize_newtype_struct&lt;T: <span class="question-mark">?</span>Sized&gt;(
<span class="self">self</span>,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="prelude-val">Ok</span>(Content::NewtypeStruct(
name,
Box::new(<span class="macro">try!</span>(value.serialize(<span class="self">self</span>))),
))
}
<span class="kw">fn </span>serialize_newtype_variant&lt;T: <span class="question-mark">?</span>Sized&gt;(
<span class="self">self</span>,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_index: u32,
variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="prelude-val">Ok</span>(Content::NewtypeVariant(
name,
variant_index,
variant,
Box::new(<span class="macro">try!</span>(value.serialize(<span class="self">self</span>))),
))
}
<span class="kw">fn </span>serialize_seq(<span class="self">self</span>, len: <span class="prelude-ty">Option</span>&lt;usize&gt;) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeSeq, E&gt; {
<span class="prelude-val">Ok</span>(SerializeSeq {
elements: Vec::with_capacity(len.unwrap_or(<span class="number">0</span>)),
error: PhantomData,
})
}
<span class="kw">fn </span>serialize_tuple(<span class="self">self</span>, len: usize) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTuple, E&gt; {
<span class="prelude-val">Ok</span>(SerializeTuple {
elements: Vec::with_capacity(len),
error: PhantomData,
})
}
<span class="kw">fn </span>serialize_tuple_struct(
<span class="self">self</span>,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
len: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTupleStruct, E&gt; {
<span class="prelude-val">Ok</span>(SerializeTupleStruct {
name: name,
fields: Vec::with_capacity(len),
error: PhantomData,
})
}
<span class="kw">fn </span>serialize_tuple_variant(
<span class="self">self</span>,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_index: u32,
variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
len: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTupleVariant, E&gt; {
<span class="prelude-val">Ok</span>(SerializeTupleVariant {
name: name,
variant_index: variant_index,
variant: variant,
fields: Vec::with_capacity(len),
error: PhantomData,
})
}
<span class="kw">fn </span>serialize_map(<span class="self">self</span>, len: <span class="prelude-ty">Option</span>&lt;usize&gt;) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeMap, E&gt; {
<span class="prelude-val">Ok</span>(SerializeMap {
entries: Vec::with_capacity(len.unwrap_or(<span class="number">0</span>)),
key: <span class="prelude-val">None</span>,
error: PhantomData,
})
}
<span class="kw">fn </span>serialize_struct(
<span class="self">self</span>,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
len: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeStruct, E&gt; {
<span class="prelude-val">Ok</span>(SerializeStruct {
name: name,
fields: Vec::with_capacity(len),
error: PhantomData,
})
}
<span class="kw">fn </span>serialize_struct_variant(
<span class="self">self</span>,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_index: u32,
variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
len: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeStructVariant, E&gt; {
<span class="prelude-val">Ok</span>(SerializeStructVariant {
name: name,
variant_index: variant_index,
variant: variant,
fields: Vec::with_capacity(len),
error: PhantomData,
})
}
}
<span class="kw">pub struct </span>SerializeSeq&lt;E&gt; {
elements: Vec&lt;Content&gt;,
error: PhantomData&lt;E&gt;,
}
<span class="kw">impl</span>&lt;E&gt; ser::SerializeSeq <span class="kw">for </span>SerializeSeq&lt;E&gt;
<span class="kw">where
</span>E: ser::Error,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= Content;
<span class="kw">type </span>Error = E;
<span class="kw">fn </span>serialize_element&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="self">self</span>.elements.push(value);
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::Seq(<span class="self">self</span>.elements))
}
}
<span class="kw">pub struct </span>SerializeTuple&lt;E&gt; {
elements: Vec&lt;Content&gt;,
error: PhantomData&lt;E&gt;,
}
<span class="kw">impl</span>&lt;E&gt; ser::SerializeTuple <span class="kw">for </span>SerializeTuple&lt;E&gt;
<span class="kw">where
</span>E: ser::Error,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= Content;
<span class="kw">type </span>Error = E;
<span class="kw">fn </span>serialize_element&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="self">self</span>.elements.push(value);
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::Tuple(<span class="self">self</span>.elements))
}
}
<span class="kw">pub struct </span>SerializeTupleStruct&lt;E&gt; {
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
fields: Vec&lt;Content&gt;,
error: PhantomData&lt;E&gt;,
}
<span class="kw">impl</span>&lt;E&gt; ser::SerializeTupleStruct <span class="kw">for </span>SerializeTupleStruct&lt;E&gt;
<span class="kw">where
</span>E: ser::Error,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= Content;
<span class="kw">type </span>Error = E;
<span class="kw">fn </span>serialize_field&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="self">self</span>.fields.push(value);
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::TupleStruct(<span class="self">self</span>.name, <span class="self">self</span>.fields))
}
}
<span class="kw">pub struct </span>SerializeTupleVariant&lt;E&gt; {
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_index: u32,
variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
fields: Vec&lt;Content&gt;,
error: PhantomData&lt;E&gt;,
}
<span class="kw">impl</span>&lt;E&gt; ser::SerializeTupleVariant <span class="kw">for </span>SerializeTupleVariant&lt;E&gt;
<span class="kw">where
</span>E: ser::Error,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= Content;
<span class="kw">type </span>Error = E;
<span class="kw">fn </span>serialize_field&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="self">self</span>.fields.push(value);
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::TupleVariant(
<span class="self">self</span>.name,
<span class="self">self</span>.variant_index,
<span class="self">self</span>.variant,
<span class="self">self</span>.fields,
))
}
}
<span class="kw">pub struct </span>SerializeMap&lt;E&gt; {
entries: Vec&lt;(Content, Content)&gt;,
key: <span class="prelude-ty">Option</span>&lt;Content&gt;,
error: PhantomData&lt;E&gt;,
}
<span class="kw">impl</span>&lt;E&gt; ser::SerializeMap <span class="kw">for </span>SerializeMap&lt;E&gt;
<span class="kw">where
</span>E: ser::Error,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= Content;
<span class="kw">type </span>Error = E;
<span class="kw">fn </span>serialize_key&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, key: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>key = <span class="macro">try!</span>(key.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="self">self</span>.key = <span class="prelude-val">Some</span>(key);
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>serialize_value&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>key = <span class="self">self
</span>.key
.take()
.expect(<span class="string">&quot;serialize_value called before serialize_key&quot;</span>);
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="self">self</span>.entries.push((key, value));
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::Map(<span class="self">self</span>.entries))
}
<span class="kw">fn </span>serialize_entry&lt;K: <span class="question-mark">?</span>Sized, V: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, key: <span class="kw-2">&amp;</span>K, value: <span class="kw-2">&amp;</span>V) -&gt; <span class="prelude-ty">Result</span>&lt;(), E&gt;
<span class="kw">where
</span>K: Serialize,
V: Serialize,
{
<span class="kw">let </span>key = <span class="macro">try!</span>(key.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="self">self</span>.entries.push((key, value));
<span class="prelude-val">Ok</span>(())
}
}
<span class="kw">pub struct </span>SerializeStruct&lt;E&gt; {
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
fields: Vec&lt;(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Content)&gt;,
error: PhantomData&lt;E&gt;,
}
<span class="kw">impl</span>&lt;E&gt; ser::SerializeStruct <span class="kw">for </span>SerializeStruct&lt;E&gt;
<span class="kw">where
</span>E: ser::Error,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= Content;
<span class="kw">type </span>Error = E;
<span class="kw">fn </span>serialize_field&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, key: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="self">self</span>.fields.push((key, value));
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::Struct(<span class="self">self</span>.name, <span class="self">self</span>.fields))
}
}
<span class="kw">pub struct </span>SerializeStructVariant&lt;E&gt; {
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
variant_index: u32,
variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
fields: Vec&lt;(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Content)&gt;,
error: PhantomData&lt;E&gt;,
}
<span class="kw">impl</span>&lt;E&gt; ser::SerializeStructVariant <span class="kw">for </span>SerializeStructVariant&lt;E&gt;
<span class="kw">where
</span>E: ser::Error,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= Content;
<span class="kw">type </span>Error = E;
<span class="kw">fn </span>serialize_field&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, key: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), E&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;E&gt;::new()));
<span class="self">self</span>.fields.push((key, value));
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;Content, E&gt; {
<span class="prelude-val">Ok</span>(Content::StructVariant(
<span class="self">self</span>.name,
<span class="self">self</span>.variant_index,
<span class="self">self</span>.variant,
<span class="self">self</span>.fields,
))
}
}
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">pub struct </span>FlatMapSerializer&lt;<span class="lifetime">&#39;a</span>, M: <span class="lifetime">&#39;a</span>&gt;(<span class="kw">pub </span><span class="kw-2">&amp;</span><span class="lifetime">&#39;a </span><span class="kw-2">mut </span>M);
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">impl</span>&lt;<span class="lifetime">&#39;a</span>, M&gt; FlatMapSerializer&lt;<span class="lifetime">&#39;a</span>, M&gt;
<span class="kw">where
</span>M: SerializeMap + <span class="lifetime">&#39;a</span>,
{
<span class="kw">fn </span>bad_type(what: Unsupported) -&gt; M::Error {
ser::Error::custom(<span class="macro">format_args!</span>(
<span class="string">&quot;can only flatten structs and maps (got {})&quot;</span>,
what
))
}
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">impl</span>&lt;<span class="lifetime">&#39;a</span>, M&gt; Serializer <span class="kw">for </span>FlatMapSerializer&lt;<span class="lifetime">&#39;a</span>, M&gt;
<span class="kw">where
</span>M: SerializeMap + <span class="lifetime">&#39;a</span>,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= ();
<span class="kw">type </span>Error = M::Error;
<span class="kw">type </span>SerializeSeq = Impossible&lt;<span class="self">Self</span>::Ok, M::Error&gt;;
<span class="kw">type </span>SerializeTuple = Impossible&lt;<span class="self">Self</span>::Ok, M::Error&gt;;
<span class="kw">type </span>SerializeTupleStruct = Impossible&lt;<span class="self">Self</span>::Ok, M::Error&gt;;
<span class="kw">type </span>SerializeMap = FlatMapSerializeMap&lt;<span class="lifetime">&#39;a</span>, M&gt;;
<span class="kw">type </span>SerializeStruct = FlatMapSerializeStruct&lt;<span class="lifetime">&#39;a</span>, M&gt;;
<span class="kw">type </span>SerializeTupleVariant = Impossible&lt;<span class="self">Self</span>::Ok, M::Error&gt;;
<span class="kw">type </span>SerializeStructVariant = FlatMapSerializeStructVariantAsMapValue&lt;<span class="lifetime">&#39;a</span>, M&gt;;
<span class="kw">fn </span>serialize_bool(<span class="self">self</span>, <span class="kw">_</span>: bool) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Boolean))
}
<span class="kw">fn </span>serialize_i8(<span class="self">self</span>, <span class="kw">_</span>: i8) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_i16(<span class="self">self</span>, <span class="kw">_</span>: i16) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_i32(<span class="self">self</span>, <span class="kw">_</span>: i32) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_i64(<span class="self">self</span>, <span class="kw">_</span>: i64) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_u8(<span class="self">self</span>, <span class="kw">_</span>: u8) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_u16(<span class="self">self</span>, <span class="kw">_</span>: u16) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_u32(<span class="self">self</span>, <span class="kw">_</span>: u32) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_u64(<span class="self">self</span>, <span class="kw">_</span>: u64) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Integer))
}
<span class="kw">fn </span>serialize_f32(<span class="self">self</span>, <span class="kw">_</span>: f32) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Float))
}
<span class="kw">fn </span>serialize_f64(<span class="self">self</span>, <span class="kw">_</span>: f64) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Float))
}
<span class="kw">fn </span>serialize_char(<span class="self">self</span>, <span class="kw">_</span>: char) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Char))
}
<span class="kw">fn </span>serialize_str(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;</span>str) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::String))
}
<span class="kw">fn </span>serialize_bytes(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;</span>[u8]) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::ByteArray))
}
<span class="kw">fn </span>serialize_none(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>serialize_some&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="self">self</span>, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
value.serialize(<span class="self">self</span>)
}
<span class="kw">fn </span>serialize_unit(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>serialize_unit_struct(<span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::UnitStruct))
}
<span class="kw">fn </span>serialize_unit_variant(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Enum))
}
<span class="kw">fn </span>serialize_newtype_struct&lt;T: <span class="question-mark">?</span>Sized&gt;(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
value.serialize(<span class="self">self</span>)
}
<span class="kw">fn </span>serialize_newtype_variant&lt;T: <span class="question-mark">?</span>Sized&gt;(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::Ok, <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="macro">try!</span>(<span class="self">self</span>.<span class="number">0</span>.serialize_key(variant));
<span class="self">self</span>.<span class="number">0</span>.serialize_value(value)
}
<span class="kw">fn </span>serialize_seq(<span class="self">self</span>, <span class="kw">_</span>: <span class="prelude-ty">Option</span>&lt;usize&gt;) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeSeq, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Sequence))
}
<span class="kw">fn </span>serialize_tuple(<span class="self">self</span>, <span class="kw">_</span>: usize) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTuple, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Tuple))
}
<span class="kw">fn </span>serialize_tuple_struct(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTupleStruct, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::TupleStruct))
}
<span class="kw">fn </span>serialize_tuple_variant(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeTupleVariant, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Err</span>(<span class="self">Self</span>::bad_type(Unsupported::Enum))
}
<span class="kw">fn </span>serialize_map(<span class="self">self</span>, <span class="kw">_</span>: <span class="prelude-ty">Option</span>&lt;usize&gt;) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeMap, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Ok</span>(FlatMapSerializeMap(<span class="self">self</span>.<span class="number">0</span>))
}
<span class="kw">fn </span>serialize_struct(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeStruct, <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Ok</span>(FlatMapSerializeStruct(<span class="self">self</span>.<span class="number">0</span>))
}
<span class="kw">fn </span>serialize_struct_variant(
<span class="self">self</span>,
<span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: u32,
inner_variant: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
<span class="kw">_</span>: usize,
) -&gt; <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>::SerializeStructVariant, <span class="self">Self</span>::Error&gt; {
<span class="macro">try!</span>(<span class="self">self</span>.<span class="number">0</span>.serialize_key(inner_variant));
<span class="prelude-val">Ok</span>(FlatMapSerializeStructVariantAsMapValue::new(
<span class="self">self</span>.<span class="number">0</span>,
inner_variant,
))
}
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">pub struct </span>FlatMapSerializeMap&lt;<span class="lifetime">&#39;a</span>, M: <span class="lifetime">&#39;a</span>&gt;(<span class="kw-2">&amp;</span><span class="lifetime">&#39;a </span><span class="kw-2">mut </span>M);
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">impl</span>&lt;<span class="lifetime">&#39;a</span>, M&gt; ser::SerializeMap <span class="kw">for </span>FlatMapSerializeMap&lt;<span class="lifetime">&#39;a</span>, M&gt;
<span class="kw">where
</span>M: SerializeMap + <span class="lifetime">&#39;a</span>,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= ();
<span class="kw">type </span>Error = M::Error;
<span class="kw">fn </span>serialize_key&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, key: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="self">self</span>.<span class="number">0</span>.serialize_key(key)
}
<span class="kw">fn </span>serialize_value&lt;T: <span class="question-mark">?</span>Sized&gt;(<span class="kw-2">&amp;mut </span><span class="self">self</span>, value: <span class="kw-2">&amp;</span>T) -&gt; <span class="prelude-ty">Result</span>&lt;(), <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="self">self</span>.<span class="number">0</span>.serialize_value(value)
}
<span class="kw">fn </span>serialize_entry&lt;K: <span class="question-mark">?</span>Sized, V: <span class="question-mark">?</span>Sized&gt;(
<span class="kw-2">&amp;mut </span><span class="self">self</span>,
key: <span class="kw-2">&amp;</span>K,
value: <span class="kw-2">&amp;</span>V,
) -&gt; <span class="prelude-ty">Result</span>&lt;(), <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>K: Serialize,
V: Serialize,
{
<span class="self">self</span>.<span class="number">0</span>.serialize_entry(key, value)
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;(), <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Ok</span>(())
}
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">pub struct </span>FlatMapSerializeStruct&lt;<span class="lifetime">&#39;a</span>, M: <span class="lifetime">&#39;a</span>&gt;(<span class="kw-2">&amp;</span><span class="lifetime">&#39;a </span><span class="kw-2">mut </span>M);
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">impl</span>&lt;<span class="lifetime">&#39;a</span>, M&gt; ser::SerializeStruct <span class="kw">for </span>FlatMapSerializeStruct&lt;<span class="lifetime">&#39;a</span>, M&gt;
<span class="kw">where
</span>M: SerializeMap + <span class="lifetime">&#39;a</span>,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= ();
<span class="kw">type </span>Error = M::Error;
<span class="kw">fn </span>serialize_field&lt;T: <span class="question-mark">?</span>Sized&gt;(
<span class="kw-2">&amp;mut </span><span class="self">self</span>,
key: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;(), <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="self">self</span>.<span class="number">0</span>.serialize_entry(key, value)
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;(), <span class="self">Self</span>::Error&gt; {
<span class="prelude-val">Ok</span>(())
}
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">pub struct </span>FlatMapSerializeStructVariantAsMapValue&lt;<span class="lifetime">&#39;a</span>, M: <span class="lifetime">&#39;a</span>&gt; {
map: <span class="kw-2">&amp;</span><span class="lifetime">&#39;a </span><span class="kw-2">mut </span>M,
name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
fields: Vec&lt;(<span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str, Content)&gt;,
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">impl</span>&lt;<span class="lifetime">&#39;a</span>, M&gt; FlatMapSerializeStructVariantAsMapValue&lt;<span class="lifetime">&#39;a</span>, M&gt;
<span class="kw">where
</span>M: SerializeMap + <span class="lifetime">&#39;a</span>,
{
<span class="kw">fn </span>new(map: <span class="kw-2">&amp;</span><span class="lifetime">&#39;a </span><span class="kw-2">mut </span>M, name: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str) -&gt; FlatMapSerializeStructVariantAsMapValue&lt;<span class="lifetime">&#39;a</span>, M&gt; {
FlatMapSerializeStructVariantAsMapValue {
map: map,
name: name,
fields: Vec::new(),
}
}
}
<span class="attribute">#[cfg(any(feature = <span class="string">&quot;std&quot;</span>, feature = <span class="string">&quot;alloc&quot;</span>))]
</span><span class="kw">impl</span>&lt;<span class="lifetime">&#39;a</span>, M&gt; ser::SerializeStructVariant <span class="kw">for </span>FlatMapSerializeStructVariantAsMapValue&lt;<span class="lifetime">&#39;a</span>, M&gt;
<span class="kw">where
</span>M: SerializeMap + <span class="lifetime">&#39;a</span>,
{
<span class="kw">type </span><span class="prelude-val">Ok </span>= ();
<span class="kw">type </span>Error = M::Error;
<span class="kw">fn </span>serialize_field&lt;T: <span class="question-mark">?</span>Sized&gt;(
<span class="kw-2">&amp;mut </span><span class="self">self</span>,
key: <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str,
value: <span class="kw-2">&amp;</span>T,
) -&gt; <span class="prelude-ty">Result</span>&lt;(), <span class="self">Self</span>::Error&gt;
<span class="kw">where
</span>T: Serialize,
{
<span class="kw">let </span>value = <span class="macro">try!</span>(value.serialize(ContentSerializer::&lt;M::Error&gt;::new()));
<span class="self">self</span>.fields.push((key, value));
<span class="prelude-val">Ok</span>(())
}
<span class="kw">fn </span>end(<span class="self">self</span>) -&gt; <span class="prelude-ty">Result</span>&lt;(), <span class="self">Self</span>::Error&gt; {
<span class="macro">try!</span>(<span class="self">self
</span>.map
.serialize_value(<span class="kw-2">&amp;</span>Content::Struct(<span class="self">self</span>.name, <span class="self">self</span>.fields)));
<span class="prelude-val">Ok</span>(())
}
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="serde" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>