Function fera::fun::position_of
source · pub fn position_of<I, T>(iter: I, item: &T) -> Option<usize>where
I: IntoIterator,
<I as IntoIterator>::Item: Borrow<T>,
T: PartialEq<T>,
Expand description
Returns the first position of an item of an iterator or None
if the iterator does not
produces the item.
use fera_fun::position_of;
assert_eq!(Some(1), position_of(&[0, 3, 3, 0, 5], &3));