| #![allow(dead_code)] |
| |
| pub fn memchr(n1: u8, haystack: &[u8]) -> Option<usize> { |
| haystack.iter().position(|&b| b == n1) |
| } |
| |
| pub fn memchr2(n1: u8, n2: u8, haystack: &[u8]) -> Option<usize> { |
| haystack.iter().position(|&b| b == n1 || b == n2) |
| } |
| |
| pub fn memchr3(n1: u8, n2: u8, n3: u8, haystack: &[u8]) -> Option<usize> { |
| haystack.iter().position(|&b| b == n1 || b == n2 || b == n3) |
| } |
| |
| pub fn memrchr(n1: u8, haystack: &[u8]) -> Option<usize> { |
| haystack.iter().rposition(|&b| b == n1) |
| } |
| |
| pub fn memrchr2(n1: u8, n2: u8, haystack: &[u8]) -> Option<usize> { |
| haystack.iter().rposition(|&b| b == n1 || b == n2) |
| } |
| |
| pub fn memrchr3(n1: u8, n2: u8, n3: u8, haystack: &[u8]) -> Option<usize> { |
| haystack.iter().rposition(|&b| b == n1 || b == n2 || b == n3) |
| } |