Function read_key_with_options 

pub fn read_key_with_options<R: Read>(
    reader: &mut R,
    options: KeyReadOptions,
) -> Result<Key, KeyBinaryError>

Reads a KEY index from a reader with explicit options.

Errors

KeyBinaryError::Io when the stream will not read to end, and whatever read_key_from_bytes_with_options reports for the bytes it collected.