Function url::percent_encoding::from_hex

pub fn from_hex(byte: u8) -> Option<u8>

Convert the given hex character into its numeric value.

Examples

use url::percent_encoding::from_hex;
assert_eq!(from_hex('0' as u8), Some(0));
assert_eq!(from_hex('1' as u8), Some(1));
assert_eq!(from_hex('9' as u8), Some(9));
assert_eq!(from_hex('A' as u8), Some(10));
assert_eq!(from_hex('a' as u8), Some(10));
assert_eq!(from_hex('F' as u8), Some(15));
assert_eq!(from_hex('f' as u8), Some(15));
assert_eq!(from_hex('G' as u8), None);
assert_eq!(from_hex('g' as u8), None);
assert_eq!(from_hex('Z' as u8), None);
assert_eq!(from_hex('z' as u8), None);