Stdlib/std.hex

std.hex

Types

struct DecodeHexError

Functions

decode

pub fn decode(s: string): Bytes throws DecodeHexError

Decodes a hex string into raw bytes.

Decodes a hex string into raw bytes.

Example

use std.hex;
use std.io.Bytes;

let bytes = try! hex.decode("deadbeef");
assert_eq bytes, Bytes.from_array([0xde, 0xad, 0xbe, 0xef]);

encode

pub fn encode(data: Bytes, uppercase: bool = false): string

Encodes data as hex string.

Encodes data as hex string.

Arguments

• uppercase: Whether to use uppercase letters for encoding.

Example

use std.hex;
use std.io.Bytes;

let h = hex.encode(Bytes.from_array([0xde, 0xad, 0xbe, 0xef]), uppercase: true);
assert_eq h, "DEADBEEF";

let h = hex.encode(Bytes.from_array([0xde, 0xad, 0xbe, 0xef]));
assert_eq h, "deadbeef";