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Map impls more like the seq impls

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