Trait hex::FromHex[][src]

pub trait FromHex: Sized {
    type Error;
    fn from_hex<T: AsRef<[u8]>>(hex: T) -> Result<Self, Self::Error>;
}

Types that can be decoded from a hex string.

This trait is implemented for Vec<u8> and small u8-arrays.

Example

use core::str;
use hex::FromHex;

let buffer = <[u8; 12]>::from_hex("48656c6c6f20776f726c6421")?;
let string = str::from_utf8(&buffer).expect("invalid buffer length");

println!("{}", string); // prints "Hello world!"

Associated Types

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Required methods

fn from_hex<T: AsRef<[u8]>>(hex: T) -> Result<Self, Self::Error>[src]

Creates an instance of type Self from the given hex string, or fails with a custom error type.

Both, upper and lower case characters are valid and can even be mixed (e.g. f9b4ca, F9B4CA and f9B4Ca are all valid strings).

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Implementations on Foreign Types

impl FromHex for Vec<u8>[src]

type Error = FromHexError

impl FromHex for [u8; 1][src]

type Error = FromHexError

impl FromHex for [u8; 2][src]

type Error = FromHexError

impl FromHex for [u8; 3][src]

type Error = FromHexError

impl FromHex for [u8; 4][src]

type Error = FromHexError

impl FromHex for [u8; 5][src]

type Error = FromHexError

impl FromHex for [u8; 6][src]

type Error = FromHexError

impl FromHex for [u8; 7][src]

type Error = FromHexError

impl FromHex for [u8; 8][src]

type Error = FromHexError

impl FromHex for [u8; 9][src]

type Error = FromHexError

impl FromHex for [u8; 10][src]

type Error = FromHexError

impl FromHex for [u8; 11][src]

type Error = FromHexError

impl FromHex for [u8; 12][src]

type Error = FromHexError

impl FromHex for [u8; 13][src]

type Error = FromHexError

impl FromHex for [u8; 14][src]

type Error = FromHexError

impl FromHex for [u8; 15][src]

type Error = FromHexError

impl FromHex for [u8; 16][src]

type Error = FromHexError

impl FromHex for [u8; 17][src]

type Error = FromHexError

impl FromHex for [u8; 18][src]

type Error = FromHexError

impl FromHex for [u8; 19][src]

type Error = FromHexError

impl FromHex for [u8; 20][src]

type Error = FromHexError

impl FromHex for [u8; 21][src]

type Error = FromHexError

impl FromHex for [u8; 22][src]

type Error = FromHexError

impl FromHex for [u8; 23][src]

type Error = FromHexError

impl FromHex for [u8; 24][src]

type Error = FromHexError

impl FromHex for [u8; 25][src]

type Error = FromHexError

impl FromHex for [u8; 26][src]

type Error = FromHexError

impl FromHex for [u8; 27][src]

type Error = FromHexError

impl FromHex for [u8; 28][src]

type Error = FromHexError

impl FromHex for [u8; 29][src]

type Error = FromHexError

impl FromHex for [u8; 30][src]

type Error = FromHexError

impl FromHex for [u8; 31][src]

type Error = FromHexError

impl FromHex for [u8; 32][src]

type Error = FromHexError

impl FromHex for [u8; 33][src]

type Error = FromHexError

impl FromHex for [u8; 34][src]

type Error = FromHexError

impl FromHex for [u8; 35][src]

type Error = FromHexError

impl FromHex for [u8; 36][src]

type Error = FromHexError

impl FromHex for [u8; 37][src]

type Error = FromHexError

impl FromHex for [u8; 38][src]

type Error = FromHexError

impl FromHex for [u8; 39][src]

type Error = FromHexError

impl FromHex for [u8; 40][src]

type Error = FromHexError

impl FromHex for [u8; 41][src]

type Error = FromHexError

impl FromHex for [u8; 42][src]

type Error = FromHexError

impl FromHex for [u8; 43][src]

type Error = FromHexError

impl FromHex for [u8; 44][src]

type Error = FromHexError

impl FromHex for [u8; 45][src]

type Error = FromHexError

impl FromHex for [u8; 46][src]

type Error = FromHexError

impl FromHex for [u8; 47][src]

type Error = FromHexError

impl FromHex for [u8; 48][src]

type Error = FromHexError

impl FromHex for [u8; 49][src]

type Error = FromHexError

impl FromHex for [u8; 50][src]

type Error = FromHexError

impl FromHex for [u8; 51][src]

type Error = FromHexError

impl FromHex for [u8; 52][src]

type Error = FromHexError

impl FromHex for [u8; 53][src]

type Error = FromHexError

impl FromHex for [u8; 54][src]

type Error = FromHexError

impl FromHex for [u8; 55][src]

type Error = FromHexError

impl FromHex for [u8; 56][src]

type Error = FromHexError

impl FromHex for [u8; 57][src]

type Error = FromHexError

impl FromHex for [u8; 58][src]

type Error = FromHexError

impl FromHex for [u8; 59][src]

type Error = FromHexError

impl FromHex for [u8; 60][src]

type Error = FromHexError

impl FromHex for [u8; 61][src]

type Error = FromHexError

impl FromHex for [u8; 62][src]

type Error = FromHexError

impl FromHex for [u8; 63][src]

type Error = FromHexError

impl FromHex for [u8; 64][src]

type Error = FromHexError

impl FromHex for [u8; 65][src]

type Error = FromHexError

impl FromHex for [u8; 66][src]

type Error = FromHexError

impl FromHex for [u8; 67][src]

type Error = FromHexError

impl FromHex for [u8; 68][src]

type Error = FromHexError

impl FromHex for [u8; 69][src]

type Error = FromHexError

impl FromHex for [u8; 70][src]

type Error = FromHexError

impl FromHex for [u8; 71][src]

type Error = FromHexError

impl FromHex for [u8; 72][src]

type Error = FromHexError

impl FromHex for [u8; 73][src]

type Error = FromHexError

impl FromHex for [u8; 74][src]

type Error = FromHexError

impl FromHex for [u8; 75][src]

type Error = FromHexError

impl FromHex for [u8; 76][src]

type Error = FromHexError

impl FromHex for [u8; 77][src]

type Error = FromHexError

impl FromHex for [u8; 78][src]

type Error = FromHexError

impl FromHex for [u8; 79][src]

type Error = FromHexError

impl FromHex for [u8; 80][src]

type Error = FromHexError

impl FromHex for [u8; 81][src]

type Error = FromHexError

impl FromHex for [u8; 82][src]

type Error = FromHexError

impl FromHex for [u8; 83][src]

type Error = FromHexError

impl FromHex for [u8; 84][src]

type Error = FromHexError

impl FromHex for [u8; 85][src]

type Error = FromHexError

impl FromHex for [u8; 86][src]

type Error = FromHexError

impl FromHex for [u8; 87][src]

type Error = FromHexError

impl FromHex for [u8; 88][src]

type Error = FromHexError

impl FromHex for [u8; 89][src]

type Error = FromHexError

impl FromHex for [u8; 90][src]

type Error = FromHexError

impl FromHex for [u8; 91][src]

type Error = FromHexError

impl FromHex for [u8; 92][src]

type Error = FromHexError

impl FromHex for [u8; 93][src]

type Error = FromHexError

impl FromHex for [u8; 94][src]

type Error = FromHexError

impl FromHex for [u8; 95][src]

type Error = FromHexError

impl FromHex for [u8; 96][src]

type Error = FromHexError

impl FromHex for [u8; 97][src]

type Error = FromHexError

impl FromHex for [u8; 98][src]

type Error = FromHexError

impl FromHex for [u8; 99][src]

type Error = FromHexError

impl FromHex for [u8; 100][src]

type Error = FromHexError

impl FromHex for [u8; 101][src]

type Error = FromHexError

impl FromHex for [u8; 102][src]

type Error = FromHexError

impl FromHex for [u8; 103][src]

type Error = FromHexError

impl FromHex for [u8; 104][src]

type Error = FromHexError

impl FromHex for [u8; 105][src]

type Error = FromHexError

impl FromHex for [u8; 106][src]

type Error = FromHexError

impl FromHex for [u8; 107][src]

type Error = FromHexError

impl FromHex for [u8; 108][src]

type Error = FromHexError

impl FromHex for [u8; 109][src]

type Error = FromHexError

impl FromHex for [u8; 110][src]

type Error = FromHexError

impl FromHex for [u8; 111][src]

type Error = FromHexError

impl FromHex for [u8; 112][src]

type Error = FromHexError

impl FromHex for [u8; 113][src]

type Error = FromHexError

impl FromHex for [u8; 114][src]

type Error = FromHexError

impl FromHex for [u8; 115][src]

type Error = FromHexError

impl FromHex for [u8; 116][src]

type Error = FromHexError

impl FromHex for [u8; 117][src]

type Error = FromHexError

impl FromHex for [u8; 118][src]

type Error = FromHexError

impl FromHex for [u8; 119][src]

type Error = FromHexError

impl FromHex for [u8; 120][src]

type Error = FromHexError

impl FromHex for [u8; 121][src]

type Error = FromHexError

impl FromHex for [u8; 122][src]

type Error = FromHexError

impl FromHex for [u8; 123][src]

type Error = FromHexError

impl FromHex for [u8; 124][src]

type Error = FromHexError

impl FromHex for [u8; 125][src]

type Error = FromHexError

impl FromHex for [u8; 126][src]

type Error = FromHexError

impl FromHex for [u8; 127][src]

type Error = FromHexError

impl FromHex for [u8; 128][src]

type Error = FromHexError

impl FromHex for [u8; 160][src]

type Error = FromHexError

impl FromHex for [u8; 192][src]

type Error = FromHexError

impl FromHex for [u8; 200][src]

type Error = FromHexError

impl FromHex for [u8; 224][src]

type Error = FromHexError

impl FromHex for [u8; 256][src]

type Error = FromHexError

impl FromHex for [u8; 384][src]

type Error = FromHexError

impl FromHex for [u8; 512][src]

type Error = FromHexError

impl FromHex for [u8; 768][src]

type Error = FromHexError

impl FromHex for [u8; 1024][src]

type Error = FromHexError

impl FromHex for [u8; 2048][src]

type Error = FromHexError

impl FromHex for [u8; 4096][src]

type Error = FromHexError

impl FromHex for [u8; 8192][src]

type Error = FromHexError

impl FromHex for [u8; 16384][src]

type Error = FromHexError

impl FromHex for [u8; 32768][src]

type Error = FromHexError

impl FromHex for [u8; 65536][src]

type Error = FromHexError

impl FromHex for [u8; 131072][src]

type Error = FromHexError

impl FromHex for [u8; 262144][src]

type Error = FromHexError

impl FromHex for [u8; 524288][src]

type Error = FromHexError

impl FromHex for [u8; 1048576][src]

type Error = FromHexError

impl FromHex for [u8; 2097152][src]

type Error = FromHexError

impl FromHex for [u8; 4194304][src]

type Error = FromHexError

impl FromHex for [u8; 8388608][src]

type Error = FromHexError

impl FromHex for [u8; 16777216][src]

type Error = FromHexError

impl FromHex for [u8; 33554432][src]

type Error = FromHexError

impl FromHex for [u8; 67108864][src]

type Error = FromHexError

impl FromHex for [u8; 134217728][src]

type Error = FromHexError

impl FromHex for [u8; 268435456][src]

type Error = FromHexError

impl FromHex for [u8; 536870912][src]

type Error = FromHexError

impl FromHex for [u8; 1073741824][src]

type Error = FromHexError

impl FromHex for [u8; 2147483648][src]

type Error = FromHexError

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Implementors

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