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Go Break and Continue

The break statement ends a loop at once. The continue statement skips the rest of the current run.

Stop with break

The loop counts up from 0. Break ends the loop when i reaches 3.

package main

import "fmt"

func main() {
	for i := 0; i < 10; i++ {
		if i == 3 {
			break
		}
		fmt.Println(i)
	}
}

Skip one run with continue

Continue skips the print when i is 3. The loop still runs to the end.

package main

import "fmt"

func main() {
	for i := 0; i < 5; i++ {
		if i == 3 {
			continue
		}
		fmt.Println(i)
	}
}

Find the first match

The loop searches upward from 20. Break stops the search at the first multiple of 7.

package main

import "fmt"

func main() {
	for i := 20; i <= 100; i++ {
		if i%7 == 0 {
			fmt.Println(i)
			break
		}
	}
}

Example

package main

import "fmt"

func main() {
	for i := 1; i < 20; i++ {
		if i == 8 {
			break
		}
		if i == 4 {
			continue
		}
		fmt.Println(i)
	}
}

Key points

  • Use break to end a loop at once.
  • Use continue to skip the rest of the current run.
  • Break leaves the loop for good.
  • Continue keeps the loop running with its next value.

In this example, the loop starts at 1 and counts upward. Continue skips the print when i is 4. Break ends the loop when i reaches 8. The printed numbers run from 1 to 7 with 4 missing.

Note

Break ends only the innermost loop around it.

Try it Yourself

Edit the code, then press Run.

Running is simulated · Go Playground

Exercise

What does continue do inside a loop?