mirror of
https://github.com/rust-lang/rust.git
synced 2025-01-08 05:47:40 +00:00
e4f7561bcd
The entire testsuite is converted to using info! rather than debug! because some depend on the code within the debug! being trans'd.
42 lines
1006 B
Rust
42 lines
1006 B
Rust
// Copyright 2012 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.
|
|
|
|
use std::vec;
|
|
|
|
trait sum {
|
|
fn sum_(self) -> int;
|
|
}
|
|
|
|
// Note: impl on a slice
|
|
impl<'self> sum for &'self [int] {
|
|
fn sum_(self) -> int {
|
|
self.iter().fold(0, |a, &b| a + b)
|
|
}
|
|
}
|
|
|
|
fn call_sum(x: &[int]) -> int { x.sum_() }
|
|
|
|
pub fn main() {
|
|
let x = ~[1, 2, 3];
|
|
let y = call_sum(x);
|
|
info!("y==%d", y);
|
|
assert_eq!(y, 6);
|
|
|
|
let mut x = ~[1, 2, 3];
|
|
let y = x.sum_();
|
|
info!("y==%d", y);
|
|
assert_eq!(y, 6);
|
|
|
|
let x = ~[1, 2, 3];
|
|
let y = x.sum_();
|
|
info!("y==%d", y);
|
|
assert_eq!(y, 6);
|
|
}
|