Function fera_fun::first [] [src]

pub fn first<I>(iter: I) -> I::Item where
    I: IntoIterator

Returns the first item of an iterator.

Panics

If there is no first item.

Examples

use fera_fun::first;

assert_eq!(&4, first(&[4, 3, 8]));
assert_eq!(2, first(2..));