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Replace one more slice::from_raw_mut_buf added with new io

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This commit is contained in:
Mikhail Zabaluev 2015-02-05 13:53:32 +02:00
parent 3ac862816f
commit fb6b970bf8
1 changed files with 2 additions and 3 deletions
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5
src/libstd/io/mod.rs
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@ -24,7 +24,6 @@ use error::Error as StdError;
use fmt; use fmt;
use iter::Iterator; use iter::Iterator;
use marker::Sized; use marker::Sized;
use mem;
use ops::{Drop, FnOnce}; use ops::{Drop, FnOnce};
use option::Option::{self, Some, None}; use option::Option::{self, Some, None};
use ptr::PtrExt; use ptr::PtrExt;
@ -69,8 +68,8 @@ fn with_end_to_cap<F>(v: &mut Vec<u8>, f: F) -> Result<usize>
unsafe { unsafe {
let n = try!(f({ let n = try!(f({
let base = v.as_mut_ptr().offset(v.len() as isize); let base = v.as_mut_ptr().offset(v.len() as isize);
black_box(slice::from_raw_mut_buf(mem::copy_lifetime(v, &base), black_box(slice::from_raw_parts_mut(base,
v.capacity() - v.len())) v.capacity() - v.len()))
})); }));
// If the closure (typically a `read` implementation) reported that it // If the closure (typically a `read` implementation) reported that it