Function const_base::decoded_len
source · Expand description
Computes the length of the string obtained from decoding encoded
with the encoding determined by config
.
Example
Base 64
use const_base::{Config, decoded_len};
const BASE64: &[usize] = &[
// this crate allows an arbitrary amount of trailing `=` in the decoded string.
decoded_len(b"fooooo=======", Config::B64),
decoded_len(b"foo=", Config::B64),
decoded_len(b"fo==", Config::B64),
];
assert_eq!(BASE64, [4, 2, 1]);
Base 32
use const_base::{Config, decoded_len};
const BASE32: &[usize] = &[
// this crate allows an arbitrary amount of trailing `=` in the decoded string.
decoded_len(b"foooooo=======", Config::B32),
decoded_len(b"foooo=", Config::B32),
decoded_len(b"fooo=", Config::B32),
decoded_len(b"fo==", Config::B32),
];
assert_eq!(BASE32, [4, 3, 2, 1]);
Hexadecimal
use const_base::{Config, decoded_len};
const BASE32: &[usize] = &[
decoded_len(b"F000B1E5", Config::HEX),
decoded_len(b"F000B1", Config::HEX),
decoded_len(b"F00B", Config::HEX),
decoded_len(b"F0", Config::HEX),
];
assert_eq!(BASE32, [4, 3, 2, 1]);