Function consume_bytes

src/consume.rs:5–12

Attempts to claim `bytes` bytes out of `input`.

(input: &mut &'a [u8], bytes: usize)

/// Attempts to claim `bytes` bytes out of `input`.
pub fn consume_bytes<'a>(input: &mut &'a [u8], bytes: usize) -> Result<&'a [u8]> {
    if bytes > input.len() {
        return err("EOF");
    }
    let (bytes, remaining) = input.split_at(bytes);
    *input = remaining;
    Ok(bytes)
}

/// Attempts to claim one byte out of `input`.
pub fn consume_byte(input: &mut &[u8]) -> Result<u8> {