Function argmin

pub fn argmin<I: IntoIterator>(iter: I) -> Option<usize>
where
    I::Item: PartialOrd + Copy,

Returns the index of the minimum value in an iterator, or None if the iterator is empty.

If the minimum appears several times, this methods returns the position of the first instance.

Arguments

• iter: the iterator.

Panics

If a comparison returns None.

Examples

let v = vec![4, 3, 1, 0, 5, 0];
let index = argmin(&v);
assert_eq!(index, Some(3));