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| </pre><pre class="rust"><code><span class="doccomment">//! Use the well-known [RFC2822 format] when serializing and deserializing an [`OffsetDateTime`]. |
| //! |
| //! Use this module in combination with serde's [`#[with]`][with] attribute. |
| //! |
| //! [RFC2822 format]: https://tools.ietf.org/html/rfc2822#section-3.3 |
| //! [with]: https://serde.rs/field-attrs.html#with |
| |
| </span><span class="attribute">#[cfg(feature = <span class="string">"parsing"</span>)] |
| </span><span class="kw">use </span>core::marker::PhantomData; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"formatting"</span>)] |
| </span><span class="kw">use </span>serde::ser::Error <span class="kw">as _</span>; |
| <span class="attribute">#[cfg(feature = <span class="string">"parsing"</span>)] |
| </span><span class="kw">use </span>serde::Deserializer; |
| <span class="attribute">#[cfg(feature = <span class="string">"formatting"</span>)] |
| </span><span class="kw">use </span>serde::{Serialize, Serializer}; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"parsing"</span>)] |
| </span><span class="kw">use </span><span class="kw">super</span>::Visitor; |
| <span class="kw">use </span><span class="kw">crate</span>::format_description::well_known::Rfc2822; |
| <span class="kw">use </span><span class="kw">crate</span>::OffsetDateTime; |
| |
| <span class="doccomment">/// Serialize an [`OffsetDateTime`] using the well-known RFC2822 format. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"formatting"</span>)] |
| </span><span class="kw">pub fn </span>serialize<S: Serializer>( |
| datetime: <span class="kw-2">&</span>OffsetDateTime, |
| serializer: S, |
| ) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> { |
| datetime |
| .format(<span class="kw-2">&</span>Rfc2822) |
| .map_err(S::Error::custom)<span class="question-mark">? |
| </span>.serialize(serializer) |
| } |
| |
| <span class="doccomment">/// Deserialize an [`OffsetDateTime`] from its RFC2822 representation. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"parsing"</span>)] |
| </span><span class="kw">pub fn </span>deserialize<<span class="lifetime">'a</span>, D: Deserializer<<span class="lifetime">'a</span>>>(deserializer: D) -> <span class="prelude-ty">Result</span><OffsetDateTime, D::Error> { |
| deserializer.deserialize_str(Visitor::<Rfc2822>(PhantomData)) |
| } |
| |
| <span class="doccomment">/// Use the well-known [RFC2822 format] when serializing and deserializing an |
| /// [`Option<OffsetDateTime>`]. |
| /// |
| /// Use this module in combination with serde's [`#[with]`][with] attribute. |
| /// |
| /// [RFC2822 format]: https://tools.ietf.org/html/rfc2822#section-3.3 |
| /// [with]: https://serde.rs/field-attrs.html#with |
| </span><span class="kw">pub mod </span>option { |
| <span class="attribute">#[allow(clippy::wildcard_imports)] |
| </span><span class="kw">use super</span>::<span class="kw-2">*</span>; |
| |
| <span class="doccomment">/// Serialize an [`Option<OffsetDateTime>`] using the well-known RFC2822 format. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"formatting"</span>)] |
| </span><span class="kw">pub fn </span>serialize<S: Serializer>( |
| option: <span class="kw-2">&</span><span class="prelude-ty">Option</span><OffsetDateTime>, |
| serializer: S, |
| ) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> { |
| option |
| .map(|odt| odt.format(<span class="kw-2">&</span>Rfc2822)) |
| .transpose() |
| .map_err(S::Error::custom)<span class="question-mark">? |
| </span>.serialize(serializer) |
| } |
| |
| <span class="doccomment">/// Deserialize an [`Option<OffsetDateTime>`] from its RFC2822 representation. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"parsing"</span>)] |
| </span><span class="kw">pub fn </span>deserialize<<span class="lifetime">'a</span>, D: Deserializer<<span class="lifetime">'a</span>>>( |
| deserializer: D, |
| ) -> <span class="prelude-ty">Result</span><<span class="prelude-ty">Option</span><OffsetDateTime>, D::Error> { |
| deserializer.deserialize_option(Visitor::<<span class="prelude-ty">Option</span><Rfc2822>>(PhantomData)) |
| } |
| } |
| </code></pre></div> |
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