use bytes::{Bytes, Buf};
use errors::*;
use std::io::Cursor;

mod std_impls;

pub trait DnsPacketData: Sized {
	fn deserialize(data: &mut Cursor<Bytes>) -> Result<Self>;
}

pub fn deserialize<T>(data: Bytes) -> Result<T>
where
	T: DnsPacketData
{
	let mut c = Cursor::new(data);
	let result = T::deserialize(&mut c)?;
	if c.remaining() != 0 {
		bail!("data remaining: {}", c.remaining())
	}
	Ok(result)
}