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Remove redundant uses of Iterator::by_ref()

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This commit is contained in:
Ulrik Sverdrup
2015-09-29 17:12:42 +02:00
parent cff0411706
commit e2aa82c413
4 changed files with 8 additions and 8 deletions
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10
src/libcore/iter.rs
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@@ -165,7 +165,7 @@ pub trait Iterator {
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
fn nth(&mut self, mut n: usize) -> Option<Self::Item> where Self: Sized {
for x in self.by_ref() {
for x in self {
if n == 0 { return Some(x) }
n -= 1;
}
@@ -637,7 +637,7 @@ pub trait Iterator {
fn all<F>(&mut self, mut f: F) -> bool where
Self: Sized, F: FnMut(Self::Item) -> bool
{
for x in self.by_ref() {
for x in self {
if !f(x) {
return false;
}
@@ -664,7 +664,7 @@ pub trait Iterator {
Self: Sized,
F: FnMut(Self::Item) -> bool
{
for x in self.by_ref() {
for x in self {
if f(x) {
return true;
}
@@ -689,7 +689,7 @@ pub trait Iterator {
Self: Sized,
P: FnMut(&Self::Item) -> bool,
{
for x in self.by_ref() {
for x in self {
if predicate(&x) { return Some(x) }
}
None
@@ -725,7 +725,7 @@ pub trait Iterator {
P: FnMut(Self::Item) -> bool,
{
// `enumerate` might overflow.
for (i, x) in self.by_ref().enumerate() {
for (i, x) in self.enumerate() {
if predicate(x) {
return Some(i);
}