Exit Switch or break switch question

Eric Chatonet eric.chatonet at sosmartsoftware.com
Thu Mar 20 11:33:11 EDT 2008


Hello Tom,

Le 20 mars 08 à 16:21, Thomas McGrath III a écrit :
>
> Thanks, I knew about the behavior of the break and was more curious  
> if there was a preferred method or 'correct' method. I assume then  
> that you would definitely use the break. And yeah four chars to  
> eleven is a point to consider.
>
> I was thinking that break was important because of the possibility  
> of matching more than one method and in hitting the default option.
> I was thinking that the exit switch ensured that we were done  
> looking and to stop after the first found item. This would then  
> skip any other matches.
>
> But in a ComboBox there should/can be only one choice chosen from  
> the menu button so there seems to be no need to continue after a  
> case was found. But does this make the case (pun) for exit switch  
> in a combobox?

As for me I always use break and I like switch structures flexibility  
and readability compared to conditional ones.
You can write a list of cases (and I find it more clear that the use  
of 'or'), put a break or not and have a 'default' case that usually I  
reserve for errors handling.
In menuPick handlers switch is invaluable.
But sure, you know all that yet :-)

Best regards from Paris,
Eric Chatonet.
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