不加入标签，只能break swtich
package main
func main() {
i := 10
for {
i--
switch i {
case 1:
break
}
if i == -10 {
break
}
println(i)
}
}
加入标签才能break 外面的循环
package main
func main() {
i := 10
OuterLoop:
for {
i--
switch i {
case 1:
break OuterLoop
}
if i == -10 {
break
}
println(i)
}
}