using Go = import "/go.capnp";
@0xdb8274f9144abc7e;
$Go.package("hashes");
$Go.import("zombiezen.com/go/capnproto2/internal/demo/hashes");

interface HashFactory {
	newSha1 @0 () -> (hash :Hash);
}

interface Hash {
	write @0 (data :Data) -> ();
	sum @1 () -> (hash :Data);
}