9e3d0b002a
This breaks a fair amount of code. The typical patterns are:
* `for _ in range(0, 10)`: change to `for _ in range(0u, 10)`;
* `println!("{}", 3)`: change to `println!("{}", 3i)`;
* `[1, 2, 3].len()`: change to `[1i, 2, 3].len()`.
RFC #30. Closes #6023.
[breaking-change]
37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
// Copyright 2012-2013 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.
|
|
|
|
// Test that a `&mut` inside of an `&` is freezable.
|
|
|
|
struct MutSlice<'a, T> {
|
|
data: &'a mut [T]
|
|
}
|
|
|
|
fn get<'a, T>(ms: &'a MutSlice<'a, T>, index: uint) -> &'a T {
|
|
&ms.data[index]
|
|
}
|
|
|
|
pub fn main() {
|
|
let mut data = [1i, 2, 3];
|
|
{
|
|
let slice = MutSlice { data: data };
|
|
slice.data[0] += 4;
|
|
let index0 = get(&slice, 0);
|
|
let index1 = get(&slice, 1);
|
|
let index2 = get(&slice, 2);
|
|
assert_eq!(*index0, 5);
|
|
assert_eq!(*index1, 2);
|
|
assert_eq!(*index2, 3);
|
|
}
|
|
assert_eq!(data[0], 5);
|
|
assert_eq!(data[1], 2);
|
|
assert_eq!(data[2], 3);
|
|
}
|