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rust-clippy/tests/ui/min_max.rs

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// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// 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.
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#![warn(clippy::all)]
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use std::cmp::{min, max};
use std::cmp::min as my_min;
use std::cmp::max as my_max;
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const LARGE : usize = 3;
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fn main() {
let x;
x = 2usize;
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min(1, max(3, x));
min(max(3, x), 1);
max(min(x, 1), 3);
max(3, min(x, 1));
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my_max(3, my_min(x, 1));
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min(3, max(1, x)); // ok, could be 1, 2 or 3 depending on x
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min(1, max(LARGE, x)); // no error, we don't lookup consts here
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let y = 2isize;
min(max(y, -1), 3);
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let s;
s = "Hello";
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min("Apple", max("Zoo", s));
max(min(s, "Apple"), "Zoo");
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max("Apple", min(s, "Zoo")); // ok
}