bjoernager/rust
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Simplify the signature of par_for_each_in

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Given `T: IntoIterator`/`IntoParallelIterator`, `T::Item` is
unambiguous, so we don't need the explicit trait casting.
This commit is contained in:
Josh Stone 2020-02-26 15:08:21 -08:00
parent abc3073c92
commit 3d47ebeb0e
1 changed files with 2 additions and 8 deletions
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10
src/librustc_data_structures/sync.rs
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@ -203,11 +203,7 @@ cfg_if! {
t.into_iter() t.into_iter()
} }
pub fn par_for_each_in<T: IntoIterator>( pub fn par_for_each_in<T: IntoIterator>(t: T, for_each: impl Fn(T::Item) + Sync + Send) {
t: T,
for_each:
impl Fn(<<T as IntoIterator>::IntoIter as Iterator>::Item) + Sync + Send
) {
// We catch panics here ensuring that all the loop iterations execute. // We catch panics here ensuring that all the loop iterations execute.
// This makes behavior consistent with the parallel compiler. // This makes behavior consistent with the parallel compiler.
let mut panic = None; let mut panic = None;
@ -397,9 +393,7 @@ cfg_if! {
pub fn par_for_each_in<T: IntoParallelIterator>( pub fn par_for_each_in<T: IntoParallelIterator>(
t: T, t: T,
for_each: impl Fn( for_each: impl Fn(T::Item) + Sync + Send,
<<T as IntoParallelIterator>::Iter as ParallelIterator>::Item
) + Sync + Send
) { ) {
t.into_par_iter().for_each(for_each) t.into_par_iter().for_each(for_each)
} }