Function ucs2::decode_with

pub fn decode_with<F>(input: &[u16], output: F) -> Result<usize, Error>
where
    F: FnMut(&[u8]) -> Result<(), Error>,

Decode UCS-2 string to UTF-8 with a custom callback function.

output is a function which receives every decoded character. Due to the nature of UCS-2, the function can receive an UTF-8 character of up to three bytes, for every input character.