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Auto merge of #28119 - nagisa:bytesderef, r=alexcrichton

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This commit is contained in:
bors 2015-09-04 12:34:03 +00:00
commit 94ddfc7707
1 changed files with 3 additions and 30 deletions
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33
src/libcore/str/mod.rs
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@ -24,7 +24,7 @@ use convert::AsRef;
use default::Default;
use fmt;
use iter::ExactSizeIterator;
use iter::{Map, Iterator, DoubleEndedIterator};
use iter::{Map, Cloned, Iterator, DoubleEndedIterator};
use marker::Sized;
use mem;
use ops::{Fn, FnMut, FnOnce};
@ -369,34 +369,7 @@ impl<'a> CharIndices<'a> {
/// Created with the method `.bytes()`.
#[stable(feature = "rust1", since = "1.0.0")]
#[derive(Clone)]
pub struct Bytes<'a>(Map<slice::Iter<'a, u8>, BytesDeref>);
/// A nameable, clonable fn type
#[derive(Clone)]
struct BytesDeref;
impl<'a> Fn<(&'a u8,)> for BytesDeref {
#[inline]
extern "rust-call" fn call(&self, (ptr,): (&'a u8,)) -> u8 {
*ptr
}
}
impl<'a> FnMut<(&'a u8,)> for BytesDeref {
#[inline]
extern "rust-call" fn call_mut(&mut self, (ptr,): (&'a u8,)) -> u8 {
Fn::call(&*self, (ptr,))
}
}
impl<'a> FnOnce<(&'a u8,)> for BytesDeref {
type Output = u8;
#[inline]
extern "rust-call" fn call_once(self, (ptr,): (&'a u8,)) -> u8 {
Fn::call(&self, (ptr,))
}
}
pub struct Bytes<'a>(Cloned<slice::Iter<'a, u8>>);
#[stable(feature = "rust1", since = "1.0.0")]
impl<'a> Iterator for Bytes<'a> {
@ -1352,7 +1325,7 @@ impl StrExt for str {
#[inline]
fn bytes(&self) -> Bytes {
Bytes(self.as_bytes().iter().map(BytesDeref))
Bytes(self.as_bytes().iter().cloned())
}
#[inline]