Function base64_url::decode_to_vec

pub fn decode_to_vec<'a, T: ?Sized + AsRef<[u8]>>(
    input: &T, 
    output: &'a mut Vec<u8>
) -> Result<&'a [u8], DecodeError>

Decode a Base64-URL string to data and directly store into a mutable Vec<u8> reference by concatenating them and return the slice of the decoded data.