rust/tests/ui/min_max.rs

66 lines
1.1 KiB
Rust
Raw Normal View History

2018-07-28 17:34:52 +02:00
#![warn(clippy::all)]
2015-09-05 12:46:34 +02:00
use std::cmp::max as my_max;
2018-12-09 23:26:16 +01:00
use std::cmp::min as my_min;
use std::cmp::{max, min};
2015-09-05 12:46:34 +02:00
2018-12-09 23:26:16 +01:00
const LARGE: usize = 3;
2015-09-05 16:24:41 +02:00
2020-08-07 17:55:25 +02:00
struct NotOrd(u64);
impl NotOrd {
fn min(self, x: u64) -> NotOrd {
NotOrd(x)
}
fn max(self, x: u64) -> NotOrd {
NotOrd(x)
}
}
2015-09-05 12:46:34 +02:00
fn main() {
let x;
x = 2usize;
2017-02-08 14:58:07 +01:00
min(1, max(3, x));
min(max(3, x), 1);
max(min(x, 1), 3);
max(3, min(x, 1));
2015-09-05 12:46:34 +02:00
2017-02-08 14:58:07 +01:00
my_max(3, my_min(x, 1));
2015-09-05 12:46:34 +02:00
min(3, max(1, x)); // ok, could be 1, 2 or 3 depending on x
2015-09-05 16:24:41 +02:00
min(1, max(LARGE, x)); // no error, we don't lookup consts here
2018-06-16 18:33:11 +02:00
let y = 2isize;
min(max(y, -1), 3);
2015-09-05 12:46:34 +02:00
let s;
s = "Hello";
2017-02-08 14:58:07 +01:00
min("Apple", max("Zoo", s));
max(min(s, "Apple"), "Zoo");
2015-09-05 12:46:34 +02:00
max("Apple", min(s, "Zoo")); // ok
2020-08-07 17:55:25 +02:00
let f = 3f32;
x.min(1).max(3);
x.max(3).min(1);
2020-08-07 17:55:25 +02:00
f.max(3f32).min(1f32);
x.max(1).min(3); // ok
x.min(3).max(1); // ok
2020-08-07 17:55:25 +02:00
f.min(3f32).max(1f32); // ok
max(x.min(1), 3);
min(x.max(1), 3); // ok
s.max("Zoo").min("Apple");
s.min("Apple").max("Zoo");
s.min("Zoo").max("Apple"); // ok
2020-08-07 17:55:25 +02:00
let not_ord = NotOrd(1);
not_ord.min(1).max(3); // ok
2015-09-05 12:46:34 +02:00
}