Function parity_snappy::decompress_into

pub fn decompress_into(
    input: &[u8], 
    output: &mut Vec<u8>
) -> Result<usize, InvalidInput>

Decompress a buffer using snappy, writing the result into the given output buffer, growing it if necessary. Will error if the input buffer is not snappy-compressed. Otherwise, returns the length of the decompressed data.