Function min

pub fn min<T>(v1: T, v2: T) -> T
where
    T: Ord,

Available on crate feature std only.

Compares and returns the minimum of two values.

Returns the first argument if the comparison determines them to be equal.

Internally uses an alias to Ord::min.

Examples

use std::cmp;

assert_eq!(cmp::min(1, 2), 1);
assert_eq!(cmp::min(2, 2), 2);

use std::cmp::{self, Ordering};

#[derive(Eq)]
struct Equal(&'static str);

impl PartialEq for Equal {
    fn eq(&self, other: &Self) -> bool { true }
}
impl PartialOrd for Equal {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> { Some(Ordering::Equal) }
}
impl Ord for Equal {
    fn cmp(&self, other: &Self) -> Ordering { Ordering::Equal }
}

assert_eq!(cmp::min(Equal("v1"), Equal("v2")).0, "v1");