diff options
Diffstat (limited to 'src/pkg/time/example_test.go')
-rw-r--r-- | src/pkg/time/example_test.go | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/pkg/time/example_test.go b/src/pkg/time/example_test.go index 944cc789c..8928caaba 100644 --- a/src/pkg/time/example_test.go +++ b/src/pkg/time/example_test.go @@ -56,3 +56,100 @@ func ExampleDate() { fmt.Printf("Go launched at %s\n", t.Local()) // Output: Go launched at 2009-11-10 15:00:00 -0800 PST } + +func ExampleTime_Format() { + const format = "Jan 2, 2006 at 3:04pm (MST)" + t := time.Date(2009, time.November, 10, 15, 0, 0, 0, time.Local) + fmt.Println(t.Format(format)) + fmt.Println(t.UTC().Format(format)) + // Output: + // Nov 10, 2009 at 3:00pm (PST) + // Nov 10, 2009 at 11:00pm (UTC) +} + +func ExampleParse() { + const longForm = "Jan 2, 2006 at 3:04pm (MST)" + t, _ := time.Parse(longForm, "Feb 3, 2013 at 7:54pm (PST)") + fmt.Println(t) + + // Note: without explicit zone, returns time in UTC. + const shortForm = "2006-Jan-02" + t, _ = time.Parse(shortForm, "2013-Feb-03") + fmt.Println(t) + + // Output: + // 2013-02-03 19:54:00 -0800 PST + // 2013-02-03 00:00:00 +0000 UTC +} + +func ExampleParseInLocation() { + loc, _ := time.LoadLocation("Europe/Berlin") + + const longForm = "Jan 2, 2006 at 3:04pm (MST)" + t, _ := time.ParseInLocation(longForm, "Jul 9, 2012 at 5:02am (CEST)", loc) + fmt.Println(t) + + // Note: without explicit zone, returns time in given location. + const shortForm = "2006-Jan-02" + t, _ = time.ParseInLocation(shortForm, "2012-Jul-09", loc) + fmt.Println(t) + + // Output: + // 2012-07-09 05:02:00 +0200 CEST + // 2012-07-09 00:00:00 +0200 CEST +} + +func ExampleTime_Round() { + t := time.Date(0, 0, 0, 12, 15, 30, 918273645, time.UTC) + round := []time.Duration{ + time.Nanosecond, + time.Microsecond, + time.Millisecond, + time.Second, + 2 * time.Second, + time.Minute, + 10 * time.Minute, + time.Hour, + } + + for _, d := range round { + fmt.Printf("t.Round(%6s) = %s\n", d, t.Round(d).Format("15:04:05.999999999")) + } + // Output: + // t.Round( 1ns) = 12:15:30.918273645 + // t.Round( 1us) = 12:15:30.918274 + // t.Round( 1ms) = 12:15:30.918 + // t.Round( 1s) = 12:15:31 + // t.Round( 2s) = 12:15:30 + // t.Round( 1m0s) = 12:16:00 + // t.Round( 10m0s) = 12:20:00 + // t.Round(1h0m0s) = 12:00:00 +} + +func ExampleTime_Truncate() { + t, _ := time.Parse("2006 Jan 02 15:04:05", "2012 Dec 07 12:15:30.918273645") + trunc := []time.Duration{ + time.Nanosecond, + time.Microsecond, + time.Millisecond, + time.Second, + 2 * time.Second, + time.Minute, + 10 * time.Minute, + time.Hour, + } + + for _, d := range trunc { + fmt.Printf("t.Truncate(%6s) = %s\n", d, t.Truncate(d).Format("15:04:05.999999999")) + } + + // Output: + // t.Truncate( 1ns) = 12:15:30.918273645 + // t.Truncate( 1us) = 12:15:30.918273 + // t.Truncate( 1ms) = 12:15:30.918 + // t.Truncate( 1s) = 12:15:30 + // t.Truncate( 2s) = 12:15:30 + // t.Truncate( 1m0s) = 12:15:00 + // t.Truncate( 10m0s) = 12:10:00 + // t.Truncate(1h0m0s) = 12:00:00 +} |