for {
    switch sometest() {
    case 0:
        dosomething()
    case 1:
        break
    default:
        dosomethingelse()
    }
}

BreakStmt = "break" [ Label ] .

L:
  for i < n {
      switch i {
      case 5:
          break L
      }
  }

loop:
for {
        switch expr {
        case foo:
                if condA {
                        doA()
                        break // like 'goto A'
                }

                if condB {
                        doB()
                        break loop // like 'goto B'
                }

                doC()
        case bar:
                // ...
        }
A:
        doX()
        // ...
}

B:
doY()
// ....

0idling..
1start
2idling..
3crunching..
4crunching..
5stop

Program exited.

for{
    x := 1
    switch {
    case x >0:
        fmt.Println("sjus")
    case x == 1:
        fmt.Println("GFVjk")
    default:
        fmt.Println("daslkjh")
    }
}
}

for{
    x := 1
    switch {
    case x >0:
        fmt.Println("sjus")
        break
    case x == 1:
        fmt.Println("GFVjk")
    default:
        fmt.Println("daslkjh")
    }
}
}

package main

import "fmt"

func main() {
d:
for{
x := 1
    switch {
    case x >0:
        fmt.Println("sjus")
        break d
    case x == 1:
        fmt.Println("GFVjk")
    default:
        fmt.Println("daslkjh")
    }
}
}

a := 25
fallThrough := true

switch {
case a > 10 :
    fmt.Println("a>10")
    if fallThrough != true {
        break
    }
    fallthrough
case a > 20:
    fmt.Println("a>20")
}