56 lines
903 B
Go
56 lines
903 B
Go
package main
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import (
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"fmt"
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"time"
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"runtime"
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)
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func letsDefer(text string) {
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defer fmt.Println(text)
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fmt.Print("I have deferred: ")
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}
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func main() {
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fmt.Print("Go runs on ")
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switch os := runtime.GOOS; os {
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case "darwin":
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fmt.Println("macOS.")
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case "linux":
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fmt.Println("Linux.")
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default:
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fmt.Printf("%s.\n", os)
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}
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fmt.Println("When's Saturday?")
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today := time.Now().Weekday()
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switch time.Saturday {
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case today + 0:
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fmt.Println("Today.")
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case today + 1:
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fmt.Println("Tomorrow.")
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case today + 2:
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fmt.Println("In two days.")
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default:
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fmt.Println("Too far away.")
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}
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t := time.Now()
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switch {
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case t.Hour() < 12:
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fmt.Println("Good morning!")
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case t.Hour() < 17:
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fmt.Println("Good afternoon")
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default:
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fmt.Println("Good evening.")
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}
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letsDefer("Some stuff")
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fmt.Println("Counting...")
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for i:=0; i<10; i++ {
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defer fmt.Println(i)
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}
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fmt.Println("Done!")
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}
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