lib/time: remove UnixMicro and UnixMilli

Both of those methods has been added into standard library as
[Time.UnixMicro] and [Time.UnixMilli] since Go 1.17.

2 files changed, 2 insertions, 29 deletions

diff --git a/lib/time/time.go b/lib/time/time.go
index afb7d0f3..1748a4f9 100644
--- a/lib/time/time.go
+++ b/lib/time/time.go
@@ -41,26 +41,13 @@ var ShortMonths = map[string]time.Month{
 // For example, if the unix nano seconds is 1612331218913557000 then the micro
 // second value is 913557.
 //
-// To get the unix microsecond use UnixMicro().
+// To get the unix microsecond use [time.Time.UnixMicro].
 func Microsecond(t *time.Time) int64 {
 	seconds := t.Unix() * int64(time.Second)
 	return (t.UnixNano() - seconds) / int64(time.Microsecond)
 }
 
-// UnixMicro returns t as a Unix time in microsecond.
-// For example, if the unix nano seconds is 1612331218913557000 then the
-// UnixMicro value is 1612331218913557.
-func UnixMicro(t *time.Time) int64 {
-	return t.UnixNano() / int64(time.Microsecond)
-}
-
-// UnixMilli returns t as a Unix time, the number of milliseconds elapsed
-// since January 1, 1970 UTC.
-func UnixMilli(t time.Time) int64 {
-	return t.UnixNano() / int64(time.Millisecond)
-}
-
 // UnixMilliString returns the UnixMilli() as string.
 func UnixMilliString(t time.Time) string {
-	return strconv.FormatInt(UnixMilli(t), 10)
+	return strconv.FormatInt(t.UnixMilli(), 10)
 }
diff --git a/lib/time/time_example_test.go b/lib/time/time_example_test.go
index 7261d198..c0926ec1 100644
--- a/lib/time/time_example_test.go
+++ b/lib/time/time_example_test.go
@@ -16,20 +16,6 @@ func ExampleMicrosecond() {
 	//123456
 }
 
-func ExampleUnixMicro() {
-	nano := time.Unix(1612331000, 123456789)
-	fmt.Printf("%d", UnixMicro(&nano))
-	//Output:
-	//1612331000123456
-}
-
-func ExampleUnixMilli() {
-	nano := time.Unix(1612331000, 123456789)
-	fmt.Printf("%d", UnixMilli(nano))
-	//Output:
-	//1612331000123
-}
-
 func ExampleUnixMilliString() {
 	nano := time.Unix(1612331000, 123456789)
 	fmt.Printf("%s", UnixMilliString(nano))