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]
29 lines
844 B
Rust
29 lines
844 B
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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trait vec_utils<T> {
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fn map_<U>(x: &Self, f: |&T| -> U) -> Vec<U> ;
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}
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impl<T> vec_utils<T> for Vec<T> {
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fn map_<U>(x: &Vec<T> , f: |&T| -> U) -> Vec<U> {
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let mut r = Vec::new();
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for elt in x.iter() {
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r.push(f(elt));
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}
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r
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}
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}
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pub fn main() {
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assert_eq!(vec_utils::map_(&vec!(1i,2i,3i), |&x| x+1), vec!(2i,3i,4i));
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}
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