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//! Use the well-known [RFC2822 format] when serializing and deserializing an [`OffsetDateTime`].
//!
//! Use this module in combination with serde's [`#[with]`][with] attribute.
//!
#[cfg(feature = "parsing")]
use core::marker::PhantomData;
#[cfg(feature = "formatting")]
use serde::ser::Error as _;
#[cfg(feature = "parsing")]
use serde::Deserializer;
#[cfg(feature = "formatting")]
use serde::{Serialize, Serializer};
#[cfg(feature = "parsing")]
use super::Visitor;
use crate::format_description::well_known::Rfc2822;
use crate::OffsetDateTime;
/// Serialize an [`OffsetDateTime`] using the well-known RFC2822 format.
#[cfg(feature = "formatting")]
pub fn serialize<S: Serializer>(
datetime: &OffsetDateTime,
serializer: S,
) -> Result<S::Ok, S::Error> {
datetime
.format(&Rfc2822)
.map_err(S::Error::custom)?
.serialize(serializer)
}
/// Deserialize an [`OffsetDateTime`] from its RFC2822 representation.
#[cfg(feature = "parsing")]
pub fn deserialize<'a, D: Deserializer<'a>>(deserializer: D) -> Result<OffsetDateTime, D::Error> {
deserializer.deserialize_str(Visitor::<Rfc2822>(PhantomData))
}
/// Use the well-known [RFC2822 format] when serializing and deserializing an
/// [`Option<OffsetDateTime>`].
///
/// Use this module in combination with serde's [`#[with]`][with] attribute.
///
pub mod option {
#[allow(clippy::wildcard_imports)]
use super::*;
/// Serialize an [`Option<OffsetDateTime>`] using the well-known RFC2822 format.
#[cfg(feature = "formatting")]
pub fn serialize<S: Serializer>(
option: &Option<OffsetDateTime>,
serializer: S,
) -> Result<S::Ok, S::Error> {
option
.map(|odt| odt.format(&Rfc2822))
.transpose()
.map_err(S::Error::custom)?
.serialize(serializer)
}
/// Deserialize an [`Option<OffsetDateTime>`] from its RFC2822 representation.
#[cfg(feature = "parsing")]
pub fn deserialize<'a, D: Deserializer<'a>>(
deserializer: D,
) -> Result<Option<OffsetDateTime>, D::Error> {
deserializer.deserialize_option(Visitor::<Option<Rfc2822>>(PhantomData))
}
}