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std: add reverse vec iterators, replace vec::each*_reverse.

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This commit is contained in:
Huon Wilson 2013-06-08 12:39:52 +10:00
parent e2ec8e71ce
commit ce4f63dcee
5 changed files with 107 additions and 126 deletions
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3
src/libstd/unstable/lang.rs
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@ -10,6 +10,7 @@
//! Runtime calls emitted by the compiler.
use iterator::IteratorUtil;
use uint;
use cast::transmute;
use libc::{c_char, c_uchar, c_void, size_t, uintptr_t, c_int, STDERR_FILENO};
@ -133,7 +134,7 @@ unsafe fn fail_borrowed(box: *mut BoxRepr, file: *c_char, line: size_t) {
Some(borrow_list) => { // recording borrows
let mut msg = ~"borrowed";
let mut sep = " at ";
for borrow_list.each_reverse |entry| {
for borrow_list.rev_iter().advance |entry| {
if entry.box == box {
str::push_str(&mut msg, sep);
let filename = str::raw::from_c_str(entry.file);