tai64n.go | 6 ++++--

diff --git a/tai64n.go b/tai64n.go
index 3a119f5fa89ea9f435c6f05eb70f7811665f5d13d990d3d64b08e405d8a713d5..7bc18077ac546f5ae751affe44ecced5d657e4328696377faf4db5d2eeae3200 100644
--- a/tai64n.go
+++ b/tai64n.go
@@ -42,8 +42,10 @@ 	LocalFmt   = "2006-01-02 15:04:05.000000000"
 	Base       = 0x4000000000000000 + Leapsecs1972
 )
 
-type TAI64 [TAI64Size]byte
-type TAI64N [TAI64NSize]byte
+type (
+	TAI64  [TAI64Size]byte
+	TAI64N [TAI64NSize]byte
+)
 
 func (dst *TAI64) FromTime(src time.Time) {
 	binary.BigEndian.PutUint64(dst[:], uint64(Base)+uint64(src.Unix()))