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remove trivial bounds

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This commit is contained in:
lcnr 2024-04-25 17:30:51 +00:00
parent 9e6c4fddda
commit ce70584753
1 changed files with 7 additions and 13 deletions
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20
library/core/src/iter/adapters/step_by.rs
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@ -515,9 +515,7 @@ macro_rules! spec_int_ranges_r {
unsafe impl StepByBackImpl<Range<$t>> for StepBy<Range<$t>> {
#[inline]
fn spec_next_back(&mut self) -> Option<Self::Item>
where Range<$t>: DoubleEndedIterator + ExactSizeIterator,
{
fn spec_next_back(&mut self) -> Option<Self::Item> {
let step = self.original_step().get() as $t;
let remaining = self.iter.end;
if remaining > 0 {
@ -533,9 +531,7 @@ macro_rules! spec_int_ranges_r {
// We have to repeat them here so that the specialization overrides the StepByImplBack defaults
#[inline]
fn spec_nth_back(&mut self, n: usize) -> Option<Self::Item>
where Self: DoubleEndedIterator,
{
fn spec_nth_back(&mut self, n: usize) -> Option<Self::Item> {
if self.advance_back_by(n).is_err() {
return None;
}
@ -544,10 +540,9 @@ macro_rules! spec_int_ranges_r {
#[inline]
fn spec_try_rfold<Acc, F, R>(&mut self, init: Acc, mut f: F) -> R
where
Self: DoubleEndedIterator,
F: FnMut(Acc, Self::Item) -> R,
R: Try<Output = Acc>
where
F: FnMut(Acc, Self::Item) -> R,
R: Try<Output = Acc>
{
let mut accum = init;
while let Some(x) = self.next_back() {
@ -558,9 +553,8 @@ macro_rules! spec_int_ranges_r {
#[inline]
fn spec_rfold<Acc, F>(mut self, init: Acc, mut f: F) -> Acc
where
Self: DoubleEndedIterator,
F: FnMut(Acc, Self::Item) -> Acc
where
F: FnMut(Acc, Self::Item) -> Acc
{
let mut accum = init;
while let Some(x) = self.next_back() {