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Condense the deref impls

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David Tolnay 2017-04-13 16:26:30 -07:00
parent f28abe8fde
commit f45b83f0c1
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1 changed files with 18 additions and 71 deletions
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89
serde/src/ser/impls.rs
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@ -302,87 +302,34 @@ map_impl!(HashMap<K: Eq + Hash, V, H: BuildHasher>);
////////////////////////////////////////////////////////////////////////////////
impl<'a, T: ?Sized> Serialize for &'a T
where
T: Serialize,
{
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
(**self).serialize(serializer)
}
macro_rules! deref_impl {
($($desc:tt)+) => {
impl $($desc)+ {
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
(**self).serialize(serializer)
}
}
};
}
impl<'a, T: ?Sized> Serialize for &'a mut T
where
T: Serialize,
{
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
(**self).serialize(serializer)
}
}
deref_impl!(<'a, T: ?Sized> Serialize for &'a T where T: Serialize);
deref_impl!(<'a, T: ?Sized> Serialize for &'a mut T where T: Serialize);
#[cfg(any(feature = "std", feature = "alloc"))]
impl<T: ?Sized> Serialize for Box<T>
where
T: Serialize,
{
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
(**self).serialize(serializer)
}
}
deref_impl!(<T: ?Sized> Serialize for Box<T> where T: Serialize);
#[cfg(all(feature = "rc", any(feature = "std", feature = "alloc")))]
impl<T> Serialize for Rc<T>
where
T: Serialize,
{
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
(**self).serialize(serializer)
}
}
deref_impl!(<T> Serialize for Rc<T> where T: Serialize);
#[cfg(all(feature = "rc", any(feature = "std", feature = "alloc")))]
impl<T> Serialize for Arc<T>
where
T: Serialize,
{
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
(**self).serialize(serializer)
}
}
deref_impl!(<T> Serialize for Arc<T> where T: Serialize);
#[cfg(any(feature = "std", feature = "collections"))]
impl<'a, T: ?Sized> Serialize for Cow<'a, T>
where
T: Serialize + ToOwned,
{
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
(**self).serialize(serializer)
}
}
deref_impl!(<'a, T: ?Sized> Serialize for Cow<'a, T> where T: Serialize + ToOwned);
////////////////////////////////////////////////////////////////////////////////