| // Copyright 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. |
| |
| fn clamp<T:Ord + Signed>(x: T, mn: T, mx: T) -> T { |
| cond!( |
| (x > mx) { return mx; } |
| (x < mn) { return mn; } |
| ) |
| return x; |
| } |
| |
| fn main() { |
| assert_eq!(clamp(1, 2, 4), 2); |
| assert_eq!(clamp(8, 2, 4), 4); |
| assert_eq!(clamp(3, 2, 4), 3); |
| } |
