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Rollup merge of #63805 - mati865:clippy, r=Centril
Apply few Clippy suggestions Somewhat follow-up of https://github.com/rust-lang/rust/pull/62806 Changes per commit are rather small so I can squash them if that's preferred.
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commit
3068064430
@ -262,7 +262,7 @@ pub fn native_lib_boilerplate(
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if !up_to_date(Path::new("build.rs"), ×tamp) || !up_to_date(src_dir, ×tamp) {
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Ok(NativeLibBoilerplate {
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src_dir: src_dir.to_path_buf(),
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out_dir: out_dir,
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out_dir,
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})
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} else {
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Err(())
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@ -1309,7 +1309,7 @@ impl<I> DoubleEndedIterator for Peekable<I> where I: DoubleEndedIterator {
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Self: Sized, F: FnMut(B, Self::Item) -> R, R: Try<Ok=B>
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{
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match self.peeked.take() {
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Some(None) => return Try::from_ok(init),
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Some(None) => Try::from_ok(init),
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Some(Some(v)) => match self.iter.try_rfold(init, &mut f).into_result() {
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Ok(acc) => f(acc, v),
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Err(e) => {
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@ -1326,7 +1326,7 @@ impl<I> DoubleEndedIterator for Peekable<I> where I: DoubleEndedIterator {
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where Fold: FnMut(Acc, Self::Item) -> Acc,
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{
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match self.peeked {
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Some(None) => return init,
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Some(None) => init,
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Some(Some(v)) => {
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let acc = self.iter.rfold(init, &mut fold);
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fold(acc, v)
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@ -3026,8 +3026,7 @@ macro_rules! len {
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if size == 0 {
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// This _cannot_ use `unchecked_sub` because we depend on wrapping
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// to represent the length of long ZST slice iterators.
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let diff = ($self.end as usize).wrapping_sub(start as usize);
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diff
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($self.end as usize).wrapping_sub(start as usize)
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} else {
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// We know that `start <= end`, so can do better than `offset_from`,
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// which needs to deal in signed. By setting appropriate flags here
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