| <!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/toml-0.5.11/src/map.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>map.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="../../toml/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="../../toml/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="comment">// Copyright 2017 Serde Developers |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| </span><span class="doccomment">//! A map of String to toml::Value. |
| //! |
| //! By default the map is backed by a [`BTreeMap`]. Enable the `preserve_order` |
| //! feature of toml-rs to use [`LinkedHashMap`] instead. |
| //! |
| //! [`BTreeMap`]: https://doc.rust-lang.org/std/collections/struct.BTreeMap.html |
| //! [`LinkedHashMap`]: https://docs.rs/linked-hash-map/*/linked_hash_map/struct.LinkedHashMap.html |
| |
| </span><span class="kw">use </span><span class="kw">crate</span>::value::Value; |
| <span class="kw">use </span>serde::{de, ser}; |
| <span class="kw">use </span>std::borrow::Borrow; |
| <span class="kw">use </span>std::fmt::{<span class="self">self</span>, Debug}; |
| <span class="kw">use </span>std::hash::Hash; |
| <span class="kw">use </span>std::iter::FromIterator; |
| <span class="kw">use </span>std::ops; |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">use </span>std::collections::{btree_map, BTreeMap}; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">use </span>indexmap::{<span class="self">self</span>, IndexMap}; |
| |
| <span class="doccomment">/// Represents a TOML key/value type. |
| </span><span class="kw">pub struct </span>Map<K, V> { |
| map: MapImpl<K, V>, |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">type </span>MapImpl<K, V> = BTreeMap<K, V>; |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">type </span>MapImpl<K, V> = IndexMap<K, V>; |
| |
| <span class="kw">impl </span>Map<String, Value> { |
| <span class="doccomment">/// Makes a new empty Map. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>new() -> <span class="self">Self </span>{ |
| Map { |
| map: MapImpl::new(), |
| } |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="doccomment">/// Makes a new empty Map with the given initial capacity. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>with_capacity(capacity: usize) -> <span class="self">Self </span>{ |
| <span class="comment">// does not support with_capacity |
| </span><span class="kw">let _ </span>= capacity; |
| Map { |
| map: BTreeMap::new(), |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="doccomment">/// Makes a new empty Map with the given initial capacity. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>with_capacity(capacity: usize) -> <span class="self">Self </span>{ |
| Map { |
| map: IndexMap::with_capacity(capacity), |
| } |
| } |
| |
| <span class="doccomment">/// Clears the map, removing all values. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>clear(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="self">self</span>.map.clear() |
| } |
| |
| <span class="doccomment">/// Returns a reference to the value corresponding to the key. |
| /// |
| /// The key may be any borrowed form of the map's key type, but the ordering |
| /// on the borrowed form *must* match the ordering on the key type. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>get<Q: <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>Value> |
| <span class="kw">where |
| </span>String: Borrow<Q>, |
| Q: Ord + Eq + Hash, |
| { |
| <span class="self">self</span>.map.get(key) |
| } |
| |
| <span class="doccomment">/// Returns true if the map contains a value for the specified key. |
| /// |
| /// The key may be any borrowed form of the map's key type, but the ordering |
| /// on the borrowed form *must* match the ordering on the key type. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>contains_key<Q: <span class="question-mark">?</span>Sized>(<span class="kw-2">&</span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> bool |
| <span class="kw">where |
| </span>String: Borrow<Q>, |
| Q: Ord + Eq + Hash, |
| { |
| <span class="self">self</span>.map.contains_key(key) |
| } |
| |
| <span class="doccomment">/// Returns a mutable reference to the value corresponding to the key. |
| /// |
| /// The key may be any borrowed form of the map's key type, but the ordering |
| /// on the borrowed form *must* match the ordering on the key type. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>get_mut<Q: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>Value> |
| <span class="kw">where |
| </span>String: Borrow<Q>, |
| Q: Ord + Eq + Hash, |
| { |
| <span class="self">self</span>.map.get_mut(key) |
| } |
| |
| <span class="doccomment">/// Inserts a key-value pair into the map. |
| /// |
| /// If the map did not have this key present, `None` is returned. |
| /// |
| /// If the map did have this key present, the value is updated, and the old |
| /// value is returned. The key is not updated, though; this matters for |
| /// types that can be `==` without being identical. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>insert(<span class="kw-2">&mut </span><span class="self">self</span>, k: String, v: Value) -> <span class="prelude-ty">Option</span><Value> { |
| <span class="self">self</span>.map.insert(k, v) |
| } |
| |
| <span class="doccomment">/// Removes a key from the map, returning the value at the key if the key |
| /// was previously in the map. |
| /// |
| /// The key may be any borrowed form of the map's key type, but the ordering |
| /// on the borrowed form *must* match the ordering on the key type. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>remove<Q: <span class="question-mark">?</span>Sized>(<span class="kw-2">&mut </span><span class="self">self</span>, key: <span class="kw-2">&</span>Q) -> <span class="prelude-ty">Option</span><Value> |
| <span class="kw">where |
| </span>String: Borrow<Q>, |
| Q: Ord + Eq + Hash, |
| { |
| <span class="self">self</span>.map.remove(key) |
| } |
| |
| <span class="doccomment">/// Gets the given key's corresponding entry in the map for in-place |
| /// manipulation. |
| </span><span class="kw">pub fn </span>entry<S>(<span class="kw-2">&mut </span><span class="self">self</span>, key: S) -> Entry<<span class="lifetime">'_</span>> |
| <span class="kw">where |
| </span>S: Into<String>, |
| { |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">use </span>indexmap::map::Entry <span class="kw">as </span>EntryImpl; |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">use </span>std::collections::btree_map::Entry <span class="kw">as </span>EntryImpl; |
| |
| <span class="kw">match </span><span class="self">self</span>.map.entry(key.into()) { |
| EntryImpl::Vacant(vacant) => Entry::Vacant(VacantEntry { vacant }), |
| EntryImpl::Occupied(occupied) => Entry::Occupied(OccupiedEntry { occupied }), |
| } |
| } |
| |
| <span class="doccomment">/// Returns the number of elements in the map. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>len(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="self">self</span>.map.len() |
| } |
| |
| <span class="doccomment">/// Returns true if the map contains no elements. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>is_empty(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.map.is_empty() |
| } |
| |
| <span class="doccomment">/// Gets an iterator over the entries of the map. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>iter(<span class="kw-2">&</span><span class="self">self</span>) -> Iter<<span class="lifetime">'_</span>> { |
| Iter { |
| iter: <span class="self">self</span>.map.iter(), |
| } |
| } |
| |
| <span class="doccomment">/// Gets a mutable iterator over the entries of the map. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>iter_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> IterMut<<span class="lifetime">'_</span>> { |
| IterMut { |
| iter: <span class="self">self</span>.map.iter_mut(), |
| } |
| } |
| |
| <span class="doccomment">/// Gets an iterator over the keys of the map. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>keys(<span class="kw-2">&</span><span class="self">self</span>) -> Keys<<span class="lifetime">'_</span>> { |
| Keys { |
| iter: <span class="self">self</span>.map.keys(), |
| } |
| } |
| |
| <span class="doccomment">/// Gets an iterator over the values of the map. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>values(<span class="kw-2">&</span><span class="self">self</span>) -> Values<<span class="lifetime">'_</span>> { |
| Values { |
| iter: <span class="self">self</span>.map.values(), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Default <span class="kw">for </span>Map<String, Value> { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>default() -> <span class="self">Self </span>{ |
| Map { |
| map: MapImpl::new(), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Clone <span class="kw">for </span>Map<String, Value> { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="self">Self </span>{ |
| Map { |
| map: <span class="self">self</span>.map.clone(), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>PartialEq <span class="kw">for </span>Map<String, Value> { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span><span class="self">Self</span>) -> bool { |
| <span class="self">self</span>.map.eq(<span class="kw-2">&</span>other.map) |
| } |
| } |
| |
| <span class="doccomment">/// Access an element of this map. Panics if the given key is not present in the |
| /// map. |
| </span><span class="kw">impl</span><<span class="lifetime">'a</span>, Q: <span class="question-mark">?</span>Sized> ops::Index<<span class="kw-2">&</span><span class="lifetime">'a </span>Q> <span class="kw">for </span>Map<String, Value> |
| <span class="kw">where |
| </span>String: Borrow<Q>, |
| Q: Ord + Eq + Hash, |
| { |
| <span class="kw">type </span>Output = Value; |
| |
| <span class="kw">fn </span>index(<span class="kw-2">&</span><span class="self">self</span>, index: <span class="kw-2">&</span>Q) -> <span class="kw-2">&</span>Value { |
| <span class="self">self</span>.map.index(index) |
| } |
| } |
| |
| <span class="doccomment">/// Mutably access an element of this map. Panics if the given key is not |
| /// present in the map. |
| </span><span class="kw">impl</span><<span class="lifetime">'a</span>, Q: <span class="question-mark">?</span>Sized> ops::IndexMut<<span class="kw-2">&</span><span class="lifetime">'a </span>Q> <span class="kw">for </span>Map<String, Value> |
| <span class="kw">where |
| </span>String: Borrow<Q>, |
| Q: Ord + Eq + Hash, |
| { |
| <span class="kw">fn </span>index_mut(<span class="kw-2">&mut </span><span class="self">self</span>, index: <span class="kw-2">&</span>Q) -> <span class="kw-2">&mut </span>Value { |
| <span class="self">self</span>.map.get_mut(index).expect(<span class="string">"no entry found for key"</span>) |
| } |
| } |
| |
| <span class="kw">impl </span>Debug <span class="kw">for </span>Map<String, Value> { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> <span class="prelude-ty">Result</span><(), fmt::Error> { |
| <span class="self">self</span>.map.fmt(formatter) |
| } |
| } |
| |
| <span class="kw">impl </span>ser::Serialize <span class="kw">for </span>Map<String, Value> { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>serialize<S>(<span class="kw-2">&</span><span class="self">self</span>, serializer: S) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> |
| <span class="kw">where |
| </span>S: ser::Serializer, |
| { |
| <span class="kw">use </span>serde::ser::SerializeMap; |
| <span class="kw">let </span><span class="kw-2">mut </span>map = serializer.serialize_map(<span class="prelude-val">Some</span>(<span class="self">self</span>.len()))<span class="question-mark">?</span>; |
| <span class="kw">for </span>(k, v) <span class="kw">in </span><span class="self">self </span>{ |
| map.serialize_key(k)<span class="question-mark">?</span>; |
| map.serialize_value(v)<span class="question-mark">?</span>; |
| } |
| map.end() |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> de::Deserialize<<span class="lifetime">'de</span>> <span class="kw">for </span>Map<String, Value> { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>deserialize<D>(deserializer: D) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, D::Error> |
| <span class="kw">where |
| </span>D: de::Deserializer<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">struct </span>Visitor; |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> de::Visitor<<span class="lifetime">'de</span>> <span class="kw">for </span>Visitor { |
| <span class="kw">type </span>Value = Map<String, Value>; |
| |
| <span class="kw">fn </span>expecting(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| formatter.write_str(<span class="string">"a map"</span>) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>visit_unit<E>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Value, E> |
| <span class="kw">where |
| </span>E: de::Error, |
| { |
| <span class="prelude-val">Ok</span>(Map::new()) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>visit_map<V>(<span class="self">self</span>, <span class="kw-2">mut </span>visitor: V) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Value, V::Error> |
| <span class="kw">where |
| </span>V: de::MapAccess<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">let </span><span class="kw-2">mut </span>values = Map::new(); |
| |
| <span class="kw">while let </span><span class="prelude-val">Some</span>((key, value)) = visitor.next_entry()<span class="question-mark">? </span>{ |
| values.insert(key, value); |
| } |
| |
| <span class="prelude-val">Ok</span>(values) |
| } |
| } |
| |
| deserializer.deserialize_map(Visitor) |
| } |
| } |
| |
| <span class="kw">impl </span>FromIterator<(String, Value)> <span class="kw">for </span>Map<String, Value> { |
| <span class="kw">fn </span>from_iter<T>(iter: T) -> <span class="self">Self |
| </span><span class="kw">where |
| </span>T: IntoIterator<Item = (String, Value)>, |
| { |
| Map { |
| map: FromIterator::from_iter(iter), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Extend<(String, Value)> <span class="kw">for </span>Map<String, Value> { |
| <span class="kw">fn </span>extend<T>(<span class="kw-2">&mut </span><span class="self">self</span>, iter: T) |
| <span class="kw">where |
| </span>T: IntoIterator<Item = (String, Value)>, |
| { |
| <span class="self">self</span>.map.extend(iter); |
| } |
| } |
| |
| <span class="macro">macro_rules! </span>delegate_iterator { |
| ((<span class="macro-nonterminal">$name</span>:ident $(<span class="macro-nonterminal">$generics</span>:tt)<span class="kw-2">*</span>) => <span class="macro-nonterminal">$item</span>:ty) => { |
| <span class="kw">impl </span>$(<span class="macro-nonterminal">$generics</span>)* Iterator <span class="kw">for </span><span class="macro-nonterminal">$name </span>$(<span class="macro-nonterminal">$generics</span>)* { |
| <span class="kw">type </span>Item = <span class="macro-nonterminal">$item</span>; |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>next(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> { |
| <span class="self">self</span>.iter.next() |
| } |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>size_hint(<span class="kw-2">&</span><span class="self">self</span>) -> (usize, <span class="prelude-ty">Option</span><usize>) { |
| <span class="self">self</span>.iter.size_hint() |
| } |
| } |
| |
| <span class="kw">impl </span>$(<span class="macro-nonterminal">$generics</span>)* DoubleEndedIterator <span class="kw">for </span><span class="macro-nonterminal">$name </span>$(<span class="macro-nonterminal">$generics</span>)* { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>next_back(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="self">Self</span>::Item> { |
| <span class="self">self</span>.iter.next_back() |
| } |
| } |
| |
| <span class="kw">impl </span>$(<span class="macro-nonterminal">$generics</span>)* ExactSizeIterator <span class="kw">for </span><span class="macro-nonterminal">$name </span>$(<span class="macro-nonterminal">$generics</span>)* { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>len(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="self">self</span>.iter.len() |
| } |
| } |
| } |
| } |
| |
| <span class="comment">////////////////////////////////////////////////////////////////////////////// |
| |
| </span><span class="doccomment">/// A view into a single entry in a map, which may either be vacant or occupied. |
| /// This enum is constructed from the [`entry`] method on [`Map`]. |
| /// |
| /// [`entry`]: struct.Map.html#method.entry |
| /// [`Map`]: struct.Map.html |
| </span><span class="kw">pub enum </span>Entry<<span class="lifetime">'a</span>> { |
| <span class="doccomment">/// A vacant Entry. |
| </span>Vacant(VacantEntry<<span class="lifetime">'a</span>>), |
| <span class="doccomment">/// An occupied Entry. |
| </span>Occupied(OccupiedEntry<<span class="lifetime">'a</span>>), |
| } |
| |
| <span class="doccomment">/// A vacant Entry. It is part of the [`Entry`] enum. |
| /// |
| /// [`Entry`]: enum.Entry.html |
| </span><span class="kw">pub struct </span>VacantEntry<<span class="lifetime">'a</span>> { |
| vacant: VacantEntryImpl<<span class="lifetime">'a</span>>, |
| } |
| |
| <span class="doccomment">/// An occupied Entry. It is part of the [`Entry`] enum. |
| /// |
| /// [`Entry`]: enum.Entry.html |
| </span><span class="kw">pub struct </span>OccupiedEntry<<span class="lifetime">'a</span>> { |
| occupied: OccupiedEntryImpl<<span class="lifetime">'a</span>>, |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">type </span>VacantEntryImpl<<span class="lifetime">'a</span>> = btree_map::VacantEntry<<span class="lifetime">'a</span>, String, Value>; |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">type </span>VacantEntryImpl<<span class="lifetime">'a</span>> = indexmap::map::VacantEntry<<span class="lifetime">'a</span>, String, Value>; |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">type </span>OccupiedEntryImpl<<span class="lifetime">'a</span>> = btree_map::OccupiedEntry<<span class="lifetime">'a</span>, String, Value>; |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">type </span>OccupiedEntryImpl<<span class="lifetime">'a</span>> = indexmap::map::OccupiedEntry<<span class="lifetime">'a</span>, String, Value>; |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> Entry<<span class="lifetime">'a</span>> { |
| <span class="doccomment">/// Returns a reference to this entry's key. |
| </span><span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>String { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| Entry::Vacant(<span class="kw-2">ref </span>e) => e.key(), |
| Entry::Occupied(<span class="kw-2">ref </span>e) => e.key(), |
| } |
| } |
| |
| <span class="doccomment">/// Ensures a value is in the entry by inserting the default if empty, and |
| /// returns a mutable reference to the value in the entry. |
| </span><span class="kw">pub fn </span>or_insert(<span class="self">self</span>, default: Value) -> <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value { |
| <span class="kw">match </span><span class="self">self </span>{ |
| Entry::Vacant(entry) => entry.insert(default), |
| Entry::Occupied(entry) => entry.into_mut(), |
| } |
| } |
| |
| <span class="doccomment">/// Ensures a value is in the entry by inserting the result of the default |
| /// function if empty, and returns a mutable reference to the value in the |
| /// entry. |
| </span><span class="kw">pub fn </span>or_insert_with<F>(<span class="self">self</span>, default: F) -> <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value |
| <span class="kw">where |
| </span>F: FnOnce() -> Value, |
| { |
| <span class="kw">match </span><span class="self">self </span>{ |
| Entry::Vacant(entry) => entry.insert(default()), |
| Entry::Occupied(entry) => entry.into_mut(), |
| } |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> VacantEntry<<span class="lifetime">'a</span>> { |
| <span class="doccomment">/// Gets a reference to the key that would be used when inserting a value |
| /// through the VacantEntry. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>String { |
| <span class="self">self</span>.vacant.key() |
| } |
| |
| <span class="doccomment">/// Sets the value of the entry with the VacantEntry's key, and returns a |
| /// mutable reference to it. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>insert(<span class="self">self</span>, value: Value) -> <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value { |
| <span class="self">self</span>.vacant.insert(value) |
| } |
| } |
| |
| <span class="kw">impl</span><<span class="lifetime">'a</span>> OccupiedEntry<<span class="lifetime">'a</span>> { |
| <span class="doccomment">/// Gets a reference to the key in the entry. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>key(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>String { |
| <span class="self">self</span>.occupied.key() |
| } |
| |
| <span class="doccomment">/// Gets a reference to the value in the entry. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>get(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>Value { |
| <span class="self">self</span>.occupied.get() |
| } |
| |
| <span class="doccomment">/// Gets a mutable reference to the value in the entry. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>get_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span>Value { |
| <span class="self">self</span>.occupied.get_mut() |
| } |
| |
| <span class="doccomment">/// Converts the entry into a mutable reference to its value. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>into_mut(<span class="self">self</span>) -> <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value { |
| <span class="self">self</span>.occupied.into_mut() |
| } |
| |
| <span class="doccomment">/// Sets the value of the entry with the `OccupiedEntry`'s key, and returns |
| /// the entry's old value. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>insert(<span class="kw-2">&mut </span><span class="self">self</span>, value: Value) -> Value { |
| <span class="self">self</span>.occupied.insert(value) |
| } |
| |
| <span class="doccomment">/// Takes the value of the entry out of the map, and returns it. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>remove(<span class="self">self</span>) -> Value { |
| <span class="self">self</span>.occupied.remove() |
| } |
| } |
| |
| <span class="comment">////////////////////////////////////////////////////////////////////////////// |
| |
| </span><span class="kw">impl</span><<span class="lifetime">'a</span>> IntoIterator <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span>Map<String, Value> { |
| <span class="kw">type </span>Item = (<span class="kw-2">&</span><span class="lifetime">'a </span>String, <span class="kw-2">&</span><span class="lifetime">'a </span>Value); |
| <span class="kw">type </span>IntoIter = Iter<<span class="lifetime">'a</span>>; |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>into_iter(<span class="self">self</span>) -> <span class="self">Self</span>::IntoIter { |
| Iter { |
| iter: <span class="self">self</span>.map.iter(), |
| } |
| } |
| } |
| |
| <span class="doccomment">/// An iterator over a toml::Map's entries. |
| </span><span class="kw">pub struct </span>Iter<<span class="lifetime">'a</span>> { |
| iter: IterImpl<<span class="lifetime">'a</span>>, |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">type </span>IterImpl<<span class="lifetime">'a</span>> = btree_map::Iter<<span class="lifetime">'a</span>, String, Value>; |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">type </span>IterImpl<<span class="lifetime">'a</span>> = indexmap::map::Iter<<span class="lifetime">'a</span>, String, Value>; |
| |
| <span class="macro">delegate_iterator!</span>((Iter<<span class="lifetime">'a</span>>) => (<span class="kw-2">&</span><span class="lifetime">'a </span>String, <span class="kw-2">&</span><span class="lifetime">'a </span>Value)); |
| |
| <span class="comment">////////////////////////////////////////////////////////////////////////////// |
| |
| </span><span class="kw">impl</span><<span class="lifetime">'a</span>> IntoIterator <span class="kw">for </span><span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Map<String, Value> { |
| <span class="kw">type </span>Item = (<span class="kw-2">&</span><span class="lifetime">'a </span>String, <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value); |
| <span class="kw">type </span>IntoIter = IterMut<<span class="lifetime">'a</span>>; |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>into_iter(<span class="self">self</span>) -> <span class="self">Self</span>::IntoIter { |
| IterMut { |
| iter: <span class="self">self</span>.map.iter_mut(), |
| } |
| } |
| } |
| |
| <span class="doccomment">/// A mutable iterator over a toml::Map's entries. |
| </span><span class="kw">pub struct </span>IterMut<<span class="lifetime">'a</span>> { |
| iter: IterMutImpl<<span class="lifetime">'a</span>>, |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">type </span>IterMutImpl<<span class="lifetime">'a</span>> = btree_map::IterMut<<span class="lifetime">'a</span>, String, Value>; |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">type </span>IterMutImpl<<span class="lifetime">'a</span>> = indexmap::map::IterMut<<span class="lifetime">'a</span>, String, Value>; |
| |
| <span class="macro">delegate_iterator!</span>((IterMut<<span class="lifetime">'a</span>>) => (<span class="kw-2">&</span><span class="lifetime">'a </span>String, <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>Value)); |
| |
| <span class="comment">////////////////////////////////////////////////////////////////////////////// |
| |
| </span><span class="kw">impl </span>IntoIterator <span class="kw">for </span>Map<String, Value> { |
| <span class="kw">type </span>Item = (String, Value); |
| <span class="kw">type </span>IntoIter = IntoIter; |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>into_iter(<span class="self">self</span>) -> <span class="self">Self</span>::IntoIter { |
| IntoIter { |
| iter: <span class="self">self</span>.map.into_iter(), |
| } |
| } |
| } |
| |
| <span class="doccomment">/// An owning iterator over a toml::Map's entries. |
| </span><span class="kw">pub struct </span>IntoIter { |
| iter: IntoIterImpl, |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">type </span>IntoIterImpl = btree_map::IntoIter<String, Value>; |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">type </span>IntoIterImpl = indexmap::map::IntoIter<String, Value>; |
| |
| <span class="macro">delegate_iterator!</span>((IntoIter) => (String, Value)); |
| |
| <span class="comment">////////////////////////////////////////////////////////////////////////////// |
| |
| </span><span class="doccomment">/// An iterator over a toml::Map's keys. |
| </span><span class="kw">pub struct </span>Keys<<span class="lifetime">'a</span>> { |
| iter: KeysImpl<<span class="lifetime">'a</span>>, |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">type </span>KeysImpl<<span class="lifetime">'a</span>> = btree_map::Keys<<span class="lifetime">'a</span>, String, Value>; |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">type </span>KeysImpl<<span class="lifetime">'a</span>> = indexmap::map::Keys<<span class="lifetime">'a</span>, String, Value>; |
| |
| <span class="macro">delegate_iterator!</span>((Keys<<span class="lifetime">'a</span>>) => <span class="kw-2">&</span><span class="lifetime">'a </span>String); |
| |
| <span class="comment">////////////////////////////////////////////////////////////////////////////// |
| |
| </span><span class="doccomment">/// An iterator over a toml::Map's values. |
| </span><span class="kw">pub struct </span>Values<<span class="lifetime">'a</span>> { |
| iter: ValuesImpl<<span class="lifetime">'a</span>>, |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"preserve_order"</span>))] |
| </span><span class="kw">type </span>ValuesImpl<<span class="lifetime">'a</span>> = btree_map::Values<<span class="lifetime">'a</span>, String, Value>; |
| <span class="attribute">#[cfg(feature = <span class="string">"preserve_order"</span>)] |
| </span><span class="kw">type </span>ValuesImpl<<span class="lifetime">'a</span>> = indexmap::map::Values<<span class="lifetime">'a</span>, String, Value>; |
| |
| <span class="macro">delegate_iterator!</span>((Values<<span class="lifetime">'a</span>>) => <span class="kw-2">&</span><span class="lifetime">'a </span>Value); |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="toml" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |