Function UserFriendKey

store/util.go:30–32

UserFriendKey create user firend key.

(user int64, friend int64)

// UserFriendKey create user firend key.
func UserFriendKey(user int64, friend int64) []byte {
	return util.EncodeKey(user, util.UserFriendPrefix, friend)
}

// UserFriendRange create user friend key range.
func UserFriendRange(id int64) ([]byte, []byte) {