feat(tyme/ts): add ts package

ts/unix.go

@@ -0,0 +1,23 @@
+package ts
+
+import "time"
+
+// UnixSecond parses a given int64 as a Unix timestamp with second accuracy.
+func UnixSecond(ts int64) Second {
+	return Second(time.Unix(ts, 0))
+}
+
+// UnixMilli parses a given int64 as a Unix timestamp with millisecond accuracy.
+func UnixMilli(ts int64) Millisecond {
+	return Millisecond(time.UnixMilli(ts))
+}
+
+// UnixMicro parses a given int64 as a Unix timestamp with microsecond accuracy.
+func UnixMicro(ts int64) Microsecond {
+	return Microsecond(time.UnixMicro(ts))
+}
+
+// UnixNano parses a given int64 as a Unix timestamp with nanosecond accuracy.
+func UnixNano(ts int64) Nanosecond {
+	return Nanosecond(unixNano(ts))
+}