Auto merge of #28731 - bluss:by-ref, r=alexcrichton
Remove redundant uses of Iterator::by_ref()
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commit
3e6d7243ae
@ -276,7 +276,7 @@ impl<T> DoubleEndedIterator for RawItems<T> {
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impl<T> Drop for RawItems<T> {
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fn drop(&mut self) {
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for _ in self.by_ref() {}
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for _ in self {}
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}
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}
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@ -1503,7 +1503,7 @@ impl<T> ExactSizeIterator for IntoIter<T> {}
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impl<T> Drop for IntoIter<T> {
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fn drop(&mut self) {
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// destroy the remaining elements
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for _x in self.by_ref() {}
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for _x in self {}
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// RawVec handles deallocation
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}
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@ -165,7 +165,7 @@ pub trait Iterator {
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#[inline]
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#[stable(feature = "rust1", since = "1.0.0")]
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fn nth(&mut self, mut n: usize) -> Option<Self::Item> where Self: Sized {
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for x in self.by_ref() {
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for x in self {
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if n == 0 { return Some(x) }
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n -= 1;
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}
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@ -637,7 +637,7 @@ pub trait Iterator {
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fn all<F>(&mut self, mut f: F) -> bool where
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Self: Sized, F: FnMut(Self::Item) -> bool
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{
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for x in self.by_ref() {
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for x in self {
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if !f(x) {
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return false;
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}
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@ -664,7 +664,7 @@ pub trait Iterator {
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Self: Sized,
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F: FnMut(Self::Item) -> bool
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{
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for x in self.by_ref() {
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for x in self {
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if f(x) {
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return true;
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}
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@ -689,7 +689,7 @@ pub trait Iterator {
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Self: Sized,
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P: FnMut(&Self::Item) -> bool,
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{
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for x in self.by_ref() {
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for x in self {
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if predicate(&x) { return Some(x) }
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}
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None
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@ -725,7 +725,7 @@ pub trait Iterator {
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P: FnMut(Self::Item) -> bool,
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{
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// `enumerate` might overflow.
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for (i, x) in self.by_ref().enumerate() {
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for (i, x) in self.enumerate() {
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if predicate(x) {
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return Some(i);
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}
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@ -958,7 +958,7 @@ impl<'a, K, V> ExactSizeIterator for Drain<'a, K, V> {
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impl<'a, K: 'a, V: 'a> Drop for Drain<'a, K, V> {
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fn drop(&mut self) {
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for _ in self.by_ref() {}
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for _ in self {}
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}
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}
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