strict-variables.go

package errors

import (
	"fmt"
)

func printError(err bool, m string) string {
	if err {
		message = "You have encountered an error"
                // Attempting to set 'message' to anything other than a string will result 
		// in a compiler error
	}
	
	return message
}

m := printError(true, "")

fmt.Println(m) // "You have encountered an error"