pub fn min_by_key<T, F, K>(v1: T, v2: T, f: F) -> T
Available on crate feature
mtls
only.Expand description
Returns the element that gives the minimum value from the specified function.
Returns the first argument if the comparison determines them to be equal.
§Examples
use std::cmp;
let result = cmp::min_by_key(-2, 1, |x: &i32| x.abs());
assert_eq!(result, 1);
let result = cmp::min_by_key(-2, 2, |x: &i32| x.abs());
assert_eq!(result, -2);