30 lines
839 B
Rust
30 lines
839 B
Rust
|
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
|
||
|
|
// file at the top-level directory of this distribution and at
|
||
|
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
|
// option. This file may not be copied, modified, or distributed
|
||
|
|
// except according to those terms.
|
||
|
|
|
||
|
|
// ignore-test
|
||
|
|
//
|
||
|
|
// This is ignored because it depends on #16122.
|
||
|
|
|
||
|
|
#![feature(overloaded_calls, unboxed_closures)]
|
||
|
|
|
||
|
|
fn each<'a,T,F:|&mut: &'a T|>(x: &'a [T], mut f: F) {
|
||
|
|
for val in x.iter() {
|
||
|
|
f(val)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let mut sum = 0u;
|
||
|
|
let elems = [ 1u, 2, 3, 4, 5 ];
|
||
|
|
each(elems, ref |&mut: val: &uint| sum += *val);
|
||
|
|
assert_eq!(sum, 15);
|
||
|
|
}
|
||
|
|
|