44 lines
894 B
Go
44 lines
894 B
Go
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package main
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import (
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"fmt"
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"runtime"
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"time"
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)
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func main() {
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fmt.Println("Shorter way for lots of if else")
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fmt.Println("No need to break after each statement")
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fmt.Println("switch cases need not be constants, and the values involved need not be integers.")
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os := runtime.GOOS
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switch os {
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case "windows":
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fmt.Println("You are using windows")
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case "linux":
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fmt.Println("You are using linux")
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default:
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fmt.Printf("You are using %s\n", os)
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}
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fmt.Println()
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fmt.Println("Also you can add short statement before condition too")
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// like: switch os := runtime.GOOS; os { . . . }
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fmt.Println()
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fmt.Println("You can use switch with no condition, this is same as `switch true`")
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t := time.Now()
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fmt.Println(t)
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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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}
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