665 lines
20 KiB
Go
665 lines
20 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package time_test
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import (
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"fmt"
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"time"
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)
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func expensiveCall() {}
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func ExampleDuration() {
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t0 := time.Now()
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expensiveCall()
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t1 := time.Now()
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fmt.Printf("The call took %v to run.\n", t1.Sub(t0))
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}
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func ExampleDuration_Round() {
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d, err := time.ParseDuration("1h15m30.918273645s")
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if err != nil {
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panic(err)
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}
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round := []time.Duration{
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time.Nanosecond,
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time.Microsecond,
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time.Millisecond,
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time.Second,
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2 * time.Second,
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time.Minute,
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10 * time.Minute,
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time.Hour,
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}
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for _, r := range round {
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fmt.Printf("d.Round(%6s) = %s\n", r, d.Round(r).String())
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}
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// Output:
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// d.Round( 1ns) = 1h15m30.918273645s
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// d.Round( 1µs) = 1h15m30.918274s
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// d.Round( 1ms) = 1h15m30.918s
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// d.Round( 1s) = 1h15m31s
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// d.Round( 2s) = 1h15m30s
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// d.Round( 1m0s) = 1h16m0s
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// d.Round( 10m0s) = 1h20m0s
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// d.Round(1h0m0s) = 1h0m0s
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}
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func ExampleDuration_String() {
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fmt.Println(1*time.Hour + 2*time.Minute + 300*time.Millisecond)
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fmt.Println(300 * time.Millisecond)
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// Output:
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// 1h2m0.3s
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// 300ms
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}
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func ExampleDuration_Truncate() {
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d, err := time.ParseDuration("1h15m30.918273645s")
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if err != nil {
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panic(err)
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}
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trunc := []time.Duration{
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time.Nanosecond,
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time.Microsecond,
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time.Millisecond,
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time.Second,
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2 * time.Second,
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time.Minute,
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10 * time.Minute,
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time.Hour,
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}
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for _, t := range trunc {
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fmt.Printf("d.Truncate(%6s) = %s\n", t, d.Truncate(t).String())
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}
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// Output:
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// d.Truncate( 1ns) = 1h15m30.918273645s
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// d.Truncate( 1µs) = 1h15m30.918273s
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// d.Truncate( 1ms) = 1h15m30.918s
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// d.Truncate( 1s) = 1h15m30s
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// d.Truncate( 2s) = 1h15m30s
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// d.Truncate( 1m0s) = 1h15m0s
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// d.Truncate( 10m0s) = 1h10m0s
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// d.Truncate(1h0m0s) = 1h0m0s
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}
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func ExampleParseDuration() {
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hours, _ := time.ParseDuration("10h")
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complex, _ := time.ParseDuration("1h10m10s")
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micro, _ := time.ParseDuration("1µs")
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// The package also accepts the incorrect but common prefix u for micro.
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micro2, _ := time.ParseDuration("1us")
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fmt.Println(hours)
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fmt.Println(complex)
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fmt.Printf("There are %.0f seconds in %v.\n", complex.Seconds(), complex)
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fmt.Printf("There are %d nanoseconds in %v.\n", micro.Nanoseconds(), micro)
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fmt.Printf("There are %6.2e seconds in %v.\n", micro2.Seconds(), micro)
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// Output:
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// 10h0m0s
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// 1h10m10s
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// There are 4210 seconds in 1h10m10s.
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// There are 1000 nanoseconds in 1µs.
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// There are 1.00e-06 seconds in 1µs.
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}
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func ExampleDuration_Hours() {
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h, _ := time.ParseDuration("4h30m")
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fmt.Printf("I've got %.1f hours of work left.", h.Hours())
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// Output: I've got 4.5 hours of work left.
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}
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func ExampleDuration_Microseconds() {
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u, _ := time.ParseDuration("1s")
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fmt.Printf("One second is %d microseconds.\n", u.Microseconds())
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// Output:
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// One second is 1000000 microseconds.
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}
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func ExampleDuration_Milliseconds() {
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u, _ := time.ParseDuration("1s")
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fmt.Printf("One second is %d milliseconds.\n", u.Milliseconds())
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// Output:
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// One second is 1000 milliseconds.
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}
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func ExampleDuration_Minutes() {
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m, _ := time.ParseDuration("1h30m")
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fmt.Printf("The movie is %.0f minutes long.", m.Minutes())
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// Output: The movie is 90 minutes long.
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}
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func ExampleDuration_Nanoseconds() {
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u, _ := time.ParseDuration("1µs")
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fmt.Printf("One microsecond is %d nanoseconds.\n", u.Nanoseconds())
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// Output:
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// One microsecond is 1000 nanoseconds.
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}
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func ExampleDuration_Seconds() {
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m, _ := time.ParseDuration("1m30s")
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fmt.Printf("Take off in t-%.0f seconds.", m.Seconds())
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// Output: Take off in t-90 seconds.
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}
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var c chan int
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func handle(int) {}
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func ExampleAfter() {
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select {
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case m := <-c:
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handle(m)
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case <-time.After(10 * time.Second):
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fmt.Println("timed out")
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}
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}
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func ExampleSleep() {
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time.Sleep(100 * time.Millisecond)
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}
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func statusUpdate() string { return "" }
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func ExampleTick() {
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c := time.Tick(5 * time.Second)
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for next := range c {
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fmt.Printf("%v %s\n", next, statusUpdate())
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}
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}
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func ExampleMonth() {
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_, month, day := time.Now().Date()
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if month == time.November && day == 10 {
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fmt.Println("Happy Go day!")
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}
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}
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func ExampleDate() {
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t := time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC)
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fmt.Printf("Go launched at %s\n", t.Local())
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// Output: Go launched at 2009-11-10 15:00:00 -0800 PST
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}
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func ExampleNewTicker() {
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ticker := time.NewTicker(time.Second)
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defer ticker.Stop()
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done := make(chan bool)
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go func() {
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time.Sleep(10 * time.Second)
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done <- true
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}()
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for {
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select {
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case <-done:
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fmt.Println("Done!")
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return
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case t := <-ticker.C:
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fmt.Println("Current time: ", t)
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}
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}
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}
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func ExampleTime_Format() {
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// Parse a time value from a string in the standard Unix format.
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t, err := time.Parse(time.UnixDate, "Wed Feb 25 11:06:39 PST 2015")
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if err != nil { // Always check errors even if they should not happen.
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panic(err)
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}
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// time.Time's Stringer method is useful without any format.
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fmt.Println("default format:", t)
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// Predefined constants in the package implement common layouts.
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fmt.Println("Unix format:", t.Format(time.UnixDate))
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// The time zone attached to the time value affects its output.
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fmt.Println("Same, in UTC:", t.UTC().Format(time.UnixDate))
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// The rest of this function demonstrates the properties of the
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// layout string used in the format.
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// The layout string used by the Parse function and Format method
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// shows by example how the reference time should be represented.
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// We stress that one must show how the reference time is formatted,
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// not a time of the user's choosing. Thus each layout string is a
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// representation of the time stamp,
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// Jan 2 15:04:05 2006 MST
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// An easy way to remember this value is that it holds, when presented
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// in this order, the values (lined up with the elements above):
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// 1 2 3 4 5 6 -7
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// There are some wrinkles illustrated below.
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// Most uses of Format and Parse use constant layout strings such as
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// the ones defined in this package, but the interface is flexible,
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// as these examples show.
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// Define a helper function to make the examples' output look nice.
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do := func(name, layout, want string) {
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got := t.Format(layout)
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if want != got {
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fmt.Printf("error: for %q got %q; expected %q\n", layout, got, want)
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return
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}
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fmt.Printf("%-16s %q gives %q\n", name, layout, got)
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}
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// Print a header in our output.
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fmt.Printf("\nFormats:\n\n")
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// Simple starter examples.
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do("Basic full date", "Mon Jan 2 15:04:05 MST 2006", "Wed Feb 25 11:06:39 PST 2015")
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do("Basic short date", "2006/01/02", "2015/02/25")
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// The hour of the reference time is 15, or 3PM. The layout can express
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// it either way, and since our value is the morning we should see it as
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// an AM time. We show both in one format string. Lower case too.
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do("AM/PM", "3PM==3pm==15h", "11AM==11am==11h")
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// When parsing, if the seconds value is followed by a decimal point
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// and some digits, that is taken as a fraction of a second even if
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// the layout string does not represent the fractional second.
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// Here we add a fractional second to our time value used above.
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t, err = time.Parse(time.UnixDate, "Wed Feb 25 11:06:39.1234 PST 2015")
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if err != nil {
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panic(err)
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}
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// It does not appear in the output if the layout string does not contain
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// a representation of the fractional second.
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do("No fraction", time.UnixDate, "Wed Feb 25 11:06:39 PST 2015")
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// Fractional seconds can be printed by adding a run of 0s or 9s after
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// a decimal point in the seconds value in the layout string.
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// If the layout digits are 0s, the fractional second is of the specified
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// width. Note that the output has a trailing zero.
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do("0s for fraction", "15:04:05.00000", "11:06:39.12340")
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// If the fraction in the layout is 9s, trailing zeros are dropped.
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do("9s for fraction", "15:04:05.99999999", "11:06:39.1234")
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// Output:
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// default format: 2015-02-25 11:06:39 -0800 PST
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// Unix format: Wed Feb 25 11:06:39 PST 2015
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// Same, in UTC: Wed Feb 25 19:06:39 UTC 2015
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//
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// Formats:
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//
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// Basic full date "Mon Jan 2 15:04:05 MST 2006" gives "Wed Feb 25 11:06:39 PST 2015"
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// Basic short date "2006/01/02" gives "2015/02/25"
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// AM/PM "3PM==3pm==15h" gives "11AM==11am==11h"
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// No fraction "Mon Jan _2 15:04:05 MST 2006" gives "Wed Feb 25 11:06:39 PST 2015"
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// 0s for fraction "15:04:05.00000" gives "11:06:39.12340"
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// 9s for fraction "15:04:05.99999999" gives "11:06:39.1234"
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}
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func ExampleTime_Format_pad() {
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// Parse a time value from a string in the standard Unix format.
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t, err := time.Parse(time.UnixDate, "Sat Mar 7 11:06:39 PST 2015")
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if err != nil { // Always check errors even if they should not happen.
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panic(err)
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}
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// Define a helper function to make the examples' output look nice.
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do := func(name, layout, want string) {
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got := t.Format(layout)
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if want != got {
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fmt.Printf("error: for %q got %q; expected %q\n", layout, got, want)
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return
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}
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fmt.Printf("%-16s %q gives %q\n", name, layout, got)
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}
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// The predefined constant Unix uses an underscore to pad the day.
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do("Unix", time.UnixDate, "Sat Mar 7 11:06:39 PST 2015")
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// For fixed-width printing of values, such as the date, that may be one or
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// two characters (7 vs. 07), use an _ instead of a space in the layout string.
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// Here we print just the day, which is 2 in our layout string and 7 in our
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// value.
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do("No pad", "<2>", "<7>")
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// An underscore represents a space pad, if the date only has one digit.
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do("Spaces", "<_2>", "< 7>")
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// A "0" indicates zero padding for single-digit values.
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do("Zeros", "<02>", "<07>")
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// If the value is already the right width, padding is not used.
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// For instance, the second (05 in the reference time) in our value is 39,
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// so it doesn't need padding, but the minutes (04, 06) does.
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do("Suppressed pad", "04:05", "06:39")
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// Output:
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// Unix "Mon Jan _2 15:04:05 MST 2006" gives "Sat Mar 7 11:06:39 PST 2015"
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// No pad "<2>" gives "<7>"
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// Spaces "<_2>" gives "< 7>"
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// Zeros "<02>" gives "<07>"
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// Suppressed pad "04:05" gives "06:39"
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}
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func ExampleParse() {
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// See the example for Time.Format for a thorough description of how
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// to define the layout string to parse a time.Time value; Parse and
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// Format use the same model to describe their input and output.
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// longForm shows by example how the reference time would be represented in
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// the desired layout.
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const longForm = "Jan 2, 2006 at 3:04pm (MST)"
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t, _ := time.Parse(longForm, "Feb 3, 2013 at 7:54pm (PST)")
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fmt.Println(t)
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// shortForm is another way the reference time would be represented
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// in the desired layout; it has no time zone present.
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// Note: without explicit zone, returns time in UTC.
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const shortForm = "2006-Jan-02"
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t, _ = time.Parse(shortForm, "2013-Feb-03")
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fmt.Println(t)
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// Some valid layouts are invalid time values, due to format specifiers
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// such as _ for space padding and Z for zone information.
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// For example the RFC3339 layout 2006-01-02T15:04:05Z07:00
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// contains both Z and a time zone offset in order to handle both valid options:
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// 2006-01-02T15:04:05Z
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// 2006-01-02T15:04:05+07:00
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t, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
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fmt.Println(t)
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t, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05+07:00")
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fmt.Println(t)
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_, err := time.Parse(time.RFC3339, time.RFC3339)
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fmt.Println("error", err) // Returns an error as the layout is not a valid time value
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// Output:
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// 2013-02-03 19:54:00 -0800 PST
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// 2013-02-03 00:00:00 +0000 UTC
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// 2006-01-02 15:04:05 +0000 UTC
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// 2006-01-02 15:04:05 +0700 +0700
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// error parsing time "2006-01-02T15:04:05Z07:00": extra text: "07:00"
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}
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func ExampleParseInLocation() {
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loc, _ := time.LoadLocation("Europe/Berlin")
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// This will look for the name CEST in the Europe/Berlin time zone.
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const longForm = "Jan 2, 2006 at 3:04pm (MST)"
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t, _ := time.ParseInLocation(longForm, "Jul 9, 2012 at 5:02am (CEST)", loc)
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fmt.Println(t)
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// Note: without explicit zone, returns time in given location.
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const shortForm = "2006-Jan-02"
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t, _ = time.ParseInLocation(shortForm, "2012-Jul-09", loc)
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fmt.Println(t)
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// Output:
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// 2012-07-09 05:02:00 +0200 CEST
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// 2012-07-09 00:00:00 +0200 CEST
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}
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func ExampleTime_Unix() {
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// 1 billion seconds of Unix, three ways.
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fmt.Println(time.Unix(1e9, 0).UTC()) // 1e9 seconds
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fmt.Println(time.Unix(0, 1e18).UTC()) // 1e18 nanoseconds
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fmt.Println(time.Unix(2e9, -1e18).UTC()) // 2e9 seconds - 1e18 nanoseconds
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t := time.Date(2001, time.September, 9, 1, 46, 40, 0, time.UTC)
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fmt.Println(t.Unix()) // seconds since 1970
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fmt.Println(t.UnixNano()) // nanoseconds since 1970
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// Output:
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// 2001-09-09 01:46:40 +0000 UTC
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// 2001-09-09 01:46:40 +0000 UTC
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// 2001-09-09 01:46:40 +0000 UTC
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// 1000000000
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// 1000000000000000000
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}
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func ExampleTime_Round() {
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t := time.Date(0, 0, 0, 12, 15, 30, 918273645, time.UTC)
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round := []time.Duration{
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time.Nanosecond,
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time.Microsecond,
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time.Millisecond,
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time.Second,
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2 * time.Second,
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time.Minute,
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10 * time.Minute,
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time.Hour,
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}
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for _, d := range round {
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fmt.Printf("t.Round(%6s) = %s\n", d, t.Round(d).Format("15:04:05.999999999"))
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}
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// Output:
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// t.Round( 1ns) = 12:15:30.918273645
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// t.Round( 1µs) = 12:15:30.918274
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// t.Round( 1ms) = 12:15:30.918
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// t.Round( 1s) = 12:15:31
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// t.Round( 2s) = 12:15:30
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// t.Round( 1m0s) = 12:16:00
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// t.Round( 10m0s) = 12:20:00
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// t.Round(1h0m0s) = 12:00:00
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}
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func ExampleTime_Truncate() {
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t, _ := time.Parse("2006 Jan 02 15:04:05", "2012 Dec 07 12:15:30.918273645")
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trunc := []time.Duration{
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time.Nanosecond,
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time.Microsecond,
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time.Millisecond,
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time.Second,
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2 * time.Second,
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time.Minute,
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10 * time.Minute,
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}
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for _, d := range trunc {
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fmt.Printf("t.Truncate(%5s) = %s\n", d, t.Truncate(d).Format("15:04:05.999999999"))
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}
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// To round to the last midnight in the local timezone, create a new Date.
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midnight := time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, time.Local)
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_ = midnight
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// Output:
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// t.Truncate( 1ns) = 12:15:30.918273645
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// t.Truncate( 1µs) = 12:15:30.918273
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// t.Truncate( 1ms) = 12:15:30.918
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// t.Truncate( 1s) = 12:15:30
|
|
// t.Truncate( 2s) = 12:15:30
|
|
// t.Truncate( 1m0s) = 12:15:00
|
|
// t.Truncate(10m0s) = 12:10:00
|
|
}
|
|
|
|
func ExampleLoadLocation() {
|
|
location, err := time.LoadLocation("America/Los_Angeles")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
timeInUTC := time.Date(2018, 8, 30, 12, 0, 0, 0, time.UTC)
|
|
fmt.Println(timeInUTC.In(location))
|
|
// Output: 2018-08-30 05:00:00 -0700 PDT
|
|
}
|
|
|
|
func ExampleLocation() {
|
|
// China doesn't have daylight saving. It uses a fixed 8 hour offset from UTC.
|
|
secondsEastOfUTC := int((8 * time.Hour).Seconds())
|
|
beijing := time.FixedZone("Beijing Time", secondsEastOfUTC)
|
|
|
|
// If the system has a timezone database present, it's possible to load a location
|
|
// from that, e.g.:
|
|
// newYork, err := time.LoadLocation("America/New_York")
|
|
|
|
// Creating a time requires a location. Common locations are time.Local and time.UTC.
|
|
timeInUTC := time.Date(2009, 1, 1, 12, 0, 0, 0, time.UTC)
|
|
sameTimeInBeijing := time.Date(2009, 1, 1, 20, 0, 0, 0, beijing)
|
|
|
|
// Although the UTC clock time is 1200 and the Beijing clock time is 2000, Beijing is
|
|
// 8 hours ahead so the two dates actually represent the same instant.
|
|
timesAreEqual := timeInUTC.Equal(sameTimeInBeijing)
|
|
fmt.Println(timesAreEqual)
|
|
|
|
// Output:
|
|
// true
|
|
}
|
|
|
|
func ExampleTime_Add() {
|
|
start := time.Date(2009, 1, 1, 12, 0, 0, 0, time.UTC)
|
|
afterTenSeconds := start.Add(time.Second * 10)
|
|
afterTenMinutes := start.Add(time.Minute * 10)
|
|
afterTenHours := start.Add(time.Hour * 10)
|
|
afterTenDays := start.Add(time.Hour * 24 * 10)
|
|
|
|
fmt.Printf("start = %v\n", start)
|
|
fmt.Printf("start.Add(time.Second * 10) = %v\n", afterTenSeconds)
|
|
fmt.Printf("start.Add(time.Minute * 10) = %v\n", afterTenMinutes)
|
|
fmt.Printf("start.Add(time.Hour * 10) = %v\n", afterTenHours)
|
|
fmt.Printf("start.Add(time.Hour * 24 * 10) = %v\n", afterTenDays)
|
|
|
|
// Output:
|
|
// start = 2009-01-01 12:00:00 +0000 UTC
|
|
// start.Add(time.Second * 10) = 2009-01-01 12:00:10 +0000 UTC
|
|
// start.Add(time.Minute * 10) = 2009-01-01 12:10:00 +0000 UTC
|
|
// start.Add(time.Hour * 10) = 2009-01-01 22:00:00 +0000 UTC
|
|
// start.Add(time.Hour * 24 * 10) = 2009-01-11 12:00:00 +0000 UTC
|
|
}
|
|
|
|
func ExampleTime_AddDate() {
|
|
start := time.Date(2009, 1, 1, 0, 0, 0, 0, time.UTC)
|
|
oneDayLater := start.AddDate(0, 0, 1)
|
|
oneMonthLater := start.AddDate(0, 1, 0)
|
|
oneYearLater := start.AddDate(1, 0, 0)
|
|
|
|
fmt.Printf("oneDayLater: start.AddDate(0, 0, 1) = %v\n", oneDayLater)
|
|
fmt.Printf("oneMonthLater: start.AddDate(0, 1, 0) = %v\n", oneMonthLater)
|
|
fmt.Printf("oneYearLater: start.AddDate(1, 0, 0) = %v\n", oneYearLater)
|
|
|
|
// Output:
|
|
// oneDayLater: start.AddDate(0, 0, 1) = 2009-01-02 00:00:00 +0000 UTC
|
|
// oneMonthLater: start.AddDate(0, 1, 0) = 2009-02-01 00:00:00 +0000 UTC
|
|
// oneYearLater: start.AddDate(1, 0, 0) = 2010-01-01 00:00:00 +0000 UTC
|
|
}
|
|
|
|
func ExampleTime_After() {
|
|
year2000 := time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)
|
|
year3000 := time.Date(3000, 1, 1, 0, 0, 0, 0, time.UTC)
|
|
|
|
isYear3000AfterYear2000 := year3000.After(year2000) // True
|
|
isYear2000AfterYear3000 := year2000.After(year3000) // False
|
|
|
|
fmt.Printf("year3000.After(year2000) = %v\n", isYear3000AfterYear2000)
|
|
fmt.Printf("year2000.After(year3000) = %v\n", isYear2000AfterYear3000)
|
|
|
|
// Output:
|
|
// year3000.After(year2000) = true
|
|
// year2000.After(year3000) = false
|
|
}
|
|
|
|
func ExampleTime_Before() {
|
|
year2000 := time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)
|
|
year3000 := time.Date(3000, 1, 1, 0, 0, 0, 0, time.UTC)
|
|
|
|
isYear2000BeforeYear3000 := year2000.Before(year3000) // True
|
|
isYear3000BeforeYear2000 := year3000.Before(year2000) // False
|
|
|
|
fmt.Printf("year2000.Before(year3000) = %v\n", isYear2000BeforeYear3000)
|
|
fmt.Printf("year3000.Before(year2000) = %v\n", isYear3000BeforeYear2000)
|
|
|
|
// Output:
|
|
// year2000.Before(year3000) = true
|
|
// year3000.Before(year2000) = false
|
|
}
|
|
|
|
func ExampleTime_Date() {
|
|
d := time.Date(2000, 2, 1, 12, 30, 0, 0, time.UTC)
|
|
year, month, day := d.Date()
|
|
|
|
fmt.Printf("year = %v\n", year)
|
|
fmt.Printf("month = %v\n", month)
|
|
fmt.Printf("day = %v\n", day)
|
|
|
|
// Output:
|
|
// year = 2000
|
|
// month = February
|
|
// day = 1
|
|
}
|
|
|
|
func ExampleTime_Day() {
|
|
d := time.Date(2000, 2, 1, 12, 30, 0, 0, time.UTC)
|
|
day := d.Day()
|
|
|
|
fmt.Printf("day = %v\n", day)
|
|
|
|
// Output:
|
|
// day = 1
|
|
}
|
|
|
|
func ExampleTime_Equal() {
|
|
secondsEastOfUTC := int((8 * time.Hour).Seconds())
|
|
beijing := time.FixedZone("Beijing Time", secondsEastOfUTC)
|
|
|
|
// Unlike the equal operator, Equal is aware that d1 and d2 are the
|
|
// same instant but in different time zones.
|
|
d1 := time.Date(2000, 2, 1, 12, 30, 0, 0, time.UTC)
|
|
d2 := time.Date(2000, 2, 1, 20, 30, 0, 0, beijing)
|
|
|
|
datesEqualUsingEqualOperator := d1 == d2
|
|
datesEqualUsingFunction := d1.Equal(d2)
|
|
|
|
fmt.Printf("datesEqualUsingEqualOperator = %v\n", datesEqualUsingEqualOperator)
|
|
fmt.Printf("datesEqualUsingFunction = %v\n", datesEqualUsingFunction)
|
|
|
|
// Output:
|
|
// datesEqualUsingEqualOperator = false
|
|
// datesEqualUsingFunction = true
|
|
}
|
|
|
|
func ExampleTime_String() {
|
|
timeWithNanoseconds := time.Date(2000, 2, 1, 12, 13, 14, 15, time.UTC)
|
|
withNanoseconds := timeWithNanoseconds.String()
|
|
|
|
timeWithoutNanoseconds := time.Date(2000, 2, 1, 12, 13, 14, 0, time.UTC)
|
|
withoutNanoseconds := timeWithoutNanoseconds.String()
|
|
|
|
fmt.Printf("withNanoseconds = %v\n", string(withNanoseconds))
|
|
fmt.Printf("withoutNanoseconds = %v\n", string(withoutNanoseconds))
|
|
|
|
// Output:
|
|
// withNanoseconds = 2000-02-01 12:13:14.000000015 +0000 UTC
|
|
// withoutNanoseconds = 2000-02-01 12:13:14 +0000 UTC
|
|
}
|
|
|
|
func ExampleTime_Sub() {
|
|
start := time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)
|
|
end := time.Date(2000, 1, 1, 12, 0, 0, 0, time.UTC)
|
|
|
|
difference := end.Sub(start)
|
|
fmt.Printf("difference = %v\n", difference)
|
|
|
|
// Output:
|
|
// difference = 12h0m0s
|
|
}
|
|
|
|
func ExampleTime_AppendFormat() {
|
|
t := time.Date(2017, time.November, 4, 11, 0, 0, 0, time.UTC)
|
|
text := []byte("Time: ")
|
|
|
|
text = t.AppendFormat(text, time.Kitchen)
|
|
fmt.Println(string(text))
|
|
|
|
// Output:
|
|
// Time: 11:00AM
|
|
}
|
|
|
|
func ExampleFixedZone() {
|
|
loc := time.FixedZone("UTC-8", -8*60*60)
|
|
t := time.Date(2009, time.November, 10, 23, 0, 0, 0, loc)
|
|
fmt.Println("The time is:", t.Format(time.RFC822))
|
|
// Output: The time is: 10 Nov 09 23:00 UTC-8
|
|
}
|