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[ios] std: avoid result::fold

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This commit is contained in:
Tamir Duberstein 2015-07-17 10:05:55 -04:00
parent e4e93196e1
commit 5f9a1dfa7e
1 changed files with 4 additions and 6 deletions
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10
src/libstd/sys/unix/backtrace.rs
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@ -107,8 +107,6 @@ use sys_common::backtrace::*;
#[cfg(all(target_os = "ios", target_arch = "arm"))]
#[inline(never)]
pub fn write(w: &mut Write) -> io::Result<()> {
use result;
extern {
fn backtrace(buf: *mut *mut libc::c_void,
sz: libc::c_int) -> libc::c_int;
@ -127,10 +125,10 @@ pub fn write(w: &mut Write) -> io::Result<()> {
let cnt = unsafe { backtrace(buf.as_mut_ptr(), SIZE as libc::c_int) as usize};
// skipping the first one as it is write itself
let iter = (1..cnt).map(|i| {
print(w, i as isize, buf[i], buf[i])
});
result::fold(iter, (), |_, _| ())
for i in 1..cnt {
try!(print(w, i as isize, buf[i], buf[i]))
}
Ok(())
}
#[cfg(not(all(target_os = "ios", target_arch = "arm")))]