codec

var (
	// Gob is a Codec that uses the gob package
	Gob = Codec{gobMarshal, gobUnmarshal}
	// JSON is a Codec that uses the json package.
	JSON = Codec{json.Marshal, json.Unmarshal}
	// XML is a codec that uses the xml pacakge
	XML = Codec{xml.Marshal, xml.Unmarshal}
	// BSON is a codec that used the labix.org/v2/mgo/bson pacakge
	BSON = Codec{bson.Marshal, bson.Unmarshal}
	// ErrTestCodec is a codec that returns errors, used for testing other packages.
	ErrTestCodec = Codec{testMarshalErr, testUnmarshalErr}
)