go-tour/switch.go

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2020-02-05 03:44:36 +00:00
package main
import (
"fmt"
"runtime"
)
func main() {
fmt.Print("Go runs on ")
switch os := runtime.GOOS; os {
case "darwin":
fmt.Println("OS X.")
case "linux":
fmt.Println("Linux.")
default:
// freebsd, openbsd
// plan9, windows ...
fmt.Print("%s.\n", os)
}
}