30 lines
733 B
Go
30 lines
733 B
Go
// A common requirement in programs is getting the number
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// of seconds, milliseconds, or nanoseconds since the
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// [Unix epoch](https://en.wikipedia.org/wiki/Unix_time).
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// Here's how to do it in Go.
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package main
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import (
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"fmt"
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"time"
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)
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func main() {
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// Use `time.Now` with `Unix`, `UnixMilli` or `UnixNano`
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// to get elapsed time since the Unix epoch in seconds,
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// milliseconds or nanoseconds, respectively.
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now := time.Now()
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fmt.Println(now)
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fmt.Println(now.Unix())
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fmt.Println(now.UnixMilli())
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fmt.Println(now.UnixNano())
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// You can also convert integer seconds or nanoseconds
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// since the epoch into the corresponding `time`.
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fmt.Println(time.Unix(now.Unix(), 0))
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fmt.Println(time.Unix(0, now.UnixNano()))
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}
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