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]
28 lines
780 B
Rust
28 lines
780 B
Rust
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// Copyright 2012-2014 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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// Extending Num and using inherited static methods
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use std::num::NumCast;
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trait Num {
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fn from_int(i: int) -> Self;
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fn gt(&self, other: &Self) -> bool;
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}
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pub trait NumExt: Num + NumCast { }
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fn greater_than_one<T:NumExt>(n: &T) -> bool {
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n.gt(&NumCast::from(1i).unwrap())
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}
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pub fn main() {}
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