mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-30 16:39:26 +00:00
33 lines
1,015 B
Rust
33 lines
1,015 B
Rust
#![feature(plugin)]
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#![plugin(clippy)]
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#![deny(clippy)]
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use std::cmp::{min, max};
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use std::cmp::min as my_min;
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use std::cmp::max as my_max;
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const LARGE : usize = 3;
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fn main() {
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let x;
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x = 2usize;
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min(1, max(3, x)); //~ERROR this min/max combination leads to constant result
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min(max(3, x), 1); //~ERROR this min/max combination leads to constant result
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max(min(x, 1), 3); //~ERROR this min/max combination leads to constant result
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max(3, min(x, 1)); //~ERROR this min/max combination leads to constant result
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my_max(3, my_min(x, 1)); //~ERROR this min/max combination leads to constant result
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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 s;
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s = "Hello";
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min("Apple", max("Zoo", s)); //~ERROR this min/max combination leads to constant result
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max(min(s, "Apple"), "Zoo"); //~ERROR this min/max combination leads to constant result
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max("Apple", min(s, "Zoo")); // ok
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}
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