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Remove unneeded impl bounds

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This commit is contained in:
David Tolnay 2017-04-14 15:00:16 -07:00
parent 6829c10a10
commit 67d56ae427
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GPG Key ID: F9BA143B95FF6D82
1 changed files with 24 additions and 20 deletions
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44
serde/src/de/value.rs
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@ -521,9 +521,8 @@ pub struct SeqDeserializer<I, E> {
impl<I, E> SeqDeserializer<I, E>
where
I: Iterator,
E: de::Error,
{
/// Construct a new `SeqDeserializer<I>`.
/// Construct a new `SeqDeserializer<I, E>`.
pub fn new(iter: I) -> Self {
SeqDeserializer {
iter: iter.fuse(),
@ -531,7 +530,13 @@ where
marker: PhantomData,
}
}
}
impl<I, E> SeqDeserializer<I, E>
where
I: Iterator,
E: de::Error,
{
/// Check for remaining elements after passing a `SeqDeserializer` to
/// `Visitor::visit_seq`.
pub fn end(mut self) -> Result<(), E> {
@ -694,9 +699,6 @@ pub struct MapDeserializer<'de, I, E>
where
I: Iterator,
I::Item: private::Pair,
First<I::Item>: IntoDeserializer<'de, E>,
Second<I::Item>: IntoDeserializer<'de, E>,
E: de::Error,
{
iter: iter::Fuse<I>,
value: Option<Second<I::Item>>,
@ -709,9 +711,6 @@ impl<'de, I, E> MapDeserializer<'de, I, E>
where
I: Iterator,
I::Item: private::Pair,
First<I::Item>: IntoDeserializer<'de, E>,
Second<I::Item>: IntoDeserializer<'de, E>,
E: de::Error,
{
/// Construct a new `MapDeserializer<I, E>`.
pub fn new(iter: I) -> Self {
@ -723,7 +722,14 @@ where
error: PhantomData,
}
}
}
impl<'de, I, E> MapDeserializer<'de, I, E>
where
I: Iterator,
I::Item: private::Pair,
E: de::Error,
{
/// Check for remaining elements after passing a `MapDeserializer` to
/// `Visitor::visit_map`.
pub fn end(mut self) -> Result<(), E> {
@ -739,7 +745,13 @@ where
Err(de::Error::invalid_length(self.count + remaining, &ExpectedInMap(self.count)),)
}
}
}
impl<'de, I, E> MapDeserializer<'de, I, E>
where
I: Iterator,
I::Item: private::Pair,
{
fn next_pair(&mut self) -> Option<(First<I::Item>, Second<I::Item>)> {
match self.iter.next() {
Some(kv) => {
@ -884,16 +896,12 @@ where
}
}
// Cannot #[derive(Clone)] because of the bound:
//
// <I::Item as private::Pair>::Second: Clone
// Cannot #[derive(Clone)] because of the bound `Second<I::Item>: Clone`.
impl<'de, I, E> Clone for MapDeserializer<'de, I, E>
where
I: Iterator + Clone,
I::Item: private::Pair,
First<I::Item>: IntoDeserializer<'de, E>,
Second<I::Item>: IntoDeserializer<'de, E> + Clone,
E: de::Error,
Second<I::Item>: Clone,
{
fn clone(&self) -> Self {
MapDeserializer {
@ -906,16 +914,12 @@ where
}
}
// Cannot #[derive(Debug)] because of the bound:
//
// <I::Item as private::Pair>::Second: Debug
// Cannot #[derive(Debug)] because of the bound `Second<I::Item>: Debug`.
impl<'de, I, E> Debug for MapDeserializer<'de, I, E>
where
I: Iterator + Debug,
I::Item: private::Pair,
First<I::Item>: IntoDeserializer<'de, E>,
Second<I::Item>: IntoDeserializer<'de, E> + Debug,
E: de::Error,
Second<I::Item>: Debug,
{
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.debug_struct("MapDeserializer")