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Map impls more like the seq impls

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David Tolnay 2017-04-13 16:09:53 -07:00
parent 15faaf8bc3
commit f28abe8fde
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1 changed files with 17 additions and 23 deletions
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34
serde/src/ser/impls.rs
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@ -165,11 +165,11 @@ where
}
macro_rules! seq_impl {
($ty:ident < T $(: $tbound1:ident $(+ $tbound2:ident)*)* $(, $typaram:ident : $bound1:ident $(+ $bound2:ident)*)* >) => {
($ty:ident < T $(: $tbound1:ident $(+ $tbound2:ident)*)* $(, $typaram:ident : $bound:ident)* >) => {
impl<T $(, $typaram)*> Serialize for $ty<T $(, $typaram)*>
where
T: Serialize $(+ $tbound1 $(+ $tbound2)*)*,
$($typaram: $bound1 $(+ $bound2)*)*
$($typaram: $bound,)*
{
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
@ -276,35 +276,29 @@ tuple_impls! {
////////////////////////////////////////////////////////////////////////////////
macro_rules! serialize_map {
() => {
macro_rules! map_impl {
($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 $(+ $kbound1 $(+ $kbound2)*)*,
V: Serialize,
$($typaram: $bound,)*
{
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,
{
serializer.collect_map(self)
serializer.collect_seq(self)
}
}
}
}
#[cfg(any(feature = "std", feature = "collections"))]
impl<K, V> Serialize for BTreeMap<K, V>
where
K: Serialize + Ord,
V: Serialize,
{
serialize_map!();
}
map_impl!(BTreeMap<K: Ord, V>);
#[cfg(feature = "std")]
impl<K, V, H> Serialize for HashMap<K, V, H>
where
K: Serialize + Eq + Hash,
V: Serialize,
H: BuildHasher,
{
serialize_map!();
}
map_impl!(HashMap<K: Eq + Hash, V, H: BuildHasher>);
////////////////////////////////////////////////////////////////////////////////