MakeQuad converts quad.Quad to its protobuf representation.

MakeValue converts quad.Value to its protobuf representation.

MarshalValue is a helper for serialization of quad.Value.

NewReader creates protobuf quads decoder.

NewWriter creates protobuf quads encoder.

UnmarshalValue is a helper for deserialization of quad.Value.

Quad is in internal representation of quad used by Cayley.

StrictQuad is a quad as described by RDF spec.

WireQuad is a quad that allows any value for it's directions.