Function root_io::core::parsers::checked_byte_count

pub fn checked_byte_count<'s, E>(input: &'s [u8]) -> IResult<&[u8], u32, E> where
    E: ParseError<&'s [u8]> + Debug, 

Return the size in bytes of the following object in the input. The count is the remainder of this object minus the size of the count.