Is using continue label or break label good practice?

Hi threre!

Using continue Label, break Label - is it good practice?
It looks similar to using goto Label.

Is it normal to use it? Or I need to beware of it.

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continue label and break label are part of the syntax. They are not the same as a goto label.

Maybe this article will help:

Yes, thank you.

I read article. But question is still actual. The goto Lable is part of the syntax too. But using of this statement isn’t good I think.
Why using the continue Lable statement (or the break Lable statement) is better than using goto?

Use them when necessary, otherwise not. All of break, continue and goto with a label have good uses.

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It is not better, it is different. If you have a use case for continue or break, use them. If you don’t have such a use case, don’t use them.

Do you have a specific problem writing code?

I suggest you try to program without labels at all to start with.

I’ve not seen it used much. Like you said, it looks similar to a goto statement. I would treat it like you would treat a goto and use it sparingly.


One typical case where I end up with at least labeled break is in a switch. For example:

for item := range someChan {
    switch item.Type {
        case typeA:
            // something something
        case typeB:
            // something something, we should stop processing for some reason
            break loop        

Without the label, break breaks the switch. Similar of course for for-in-for but then you can always argue that it could be refactored to avoid so I’m not going to use that as an example.


Backing up Jakob:

Ah, i see, to break out of the for-loop altogether. Good example.

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