Programming-Idioms

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2015-12-18, 03:27:45

2015-12-30, 23:34:05

Idiom #43 Break outer loop

Look for a negative value v in 2D integer matrix m. Print it and stop searching.

Look for a negative value v in 2D integer matrix m. Print it and stop searching.

mainloop:
	for i, line := range m {
		for _, v := range line {
			if v < 0 {
				fmt.Println(v)
				break mainloop
			}
		}
	}

mainloop:
	for i, line := range m {
		for _, v := range line {
			if v < 0 {
				fmt.Println(v)
				break mainloop
			}
		}
	}

mainloop is a label used to refer to the outer loop.

mainloop is a label used to refer to the outer loop.

https://golang.org/ref/spec#Break_statements

http://play.golang.org/p/uthiN89xX4

http://play.golang.org/p/uthiN89xX4

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