Function parser_compose::first_slice_item

pub fn first_slice_item<T>(input: &[T]) -> Option<(&[T], &[T])>

A parser that recognizes the first item in a slice.

use parser_compose::{Parser, first_slice_item};

let msg = &[254, 1, 2][..];

let (value, _) = first_slice_item(msg).unwrap();

assert_eq!(*value, [254]);