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24 lines
730 B
Rust
24 lines
730 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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fn clamp<T:Ord + Signed>(x: T, mn: T, mx: T) -> T {
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cond!(
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(x > mx) { mx }
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(x < mn) { mn }
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_ { x }
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)
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}
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fn main() {
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assert_eq!(clamp(1, 2, 4), 2);
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assert_eq!(clamp(8, 2, 4), 4);
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assert_eq!(clamp(3, 2, 4), 3);
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}
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