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Merge pull request #2334 from dtolnay/mapimpl

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Reduce trait bounds in HashMap and BTreeMap serialize
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David Tolnay 2022-12-04 23:27:03 -08:00 committed by GitHub
commit 3aec2a96a8
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1 changed files with 20 additions and 1 deletions
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21
serde/src/ser/impls.rs
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@ -365,7 +365,26 @@ tuple_impls! {
////////////////////////////////////////////////////////////////////////////////
#[cfg(any(feature = "std", feature = "alloc"))]
#[cfg(all(any(feature = "std", feature = "alloc"), not(no_relaxed_trait_bounds)))]
macro_rules! map_impl {
($ty:ident < K $(: $kbound1:ident $(+ $kbound2:ident)*)*, V $(, $typaram:ident : $bound:ident)* >) => {
impl<K, V $(, $typaram)*> Serialize for $ty<K, V $(, $typaram)*>
where
K: Serialize,
V: Serialize,
{
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.collect_map(self)
}
}
}
}
#[cfg(all(any(feature = "std", feature = "alloc"), no_relaxed_trait_bounds))]
macro_rules! map_impl {
($ty:ident < K $(: $kbound1:ident $(+ $kbound2:ident)*)*, V $(, $typaram:ident : $bound:ident)* >) => {
impl<K, V $(, $typaram)*> Serialize for $ty<K, V $(, $typaram)*>