Constant data_encoding::BASE64

pub const BASE64: &'static Padded = BASE64_IMPL

RFC4648 base64 encoding

This encoding is a static version of:

assert_eq!(BASE64, &Builder::new(
    b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/")
        .pad(b'=').padded().unwrap());

It is conformant with RFC4648.