Yea, the last break is unecessary, but I think it's a good idea to put
there. Just to have the habit of already remembering to put breaks at
the end of case statements (I've forgotten a couple times and went
nuts looking for the bug). And as Wagner mentioned, it protects
against people adding more cases to the end of the switch statement.
-Andy
On 12/21/06, Wagner Amaral <[EMAIL PROTECTED]> wrote:
The last break on default is considered by some to be a coding
standard, by which you explicitly say you wanted to leave the default
block empty, and not just simply forgot.
Also, if unadvised people add code at the end of the switch without
realizing the missing break, your default will fall-through.
On 12/21/06, T. Michael Keesey <[EMAIL PROTECTED]> wrote:
> On 12/21/06, Julien Vignali <[EMAIL PROTECTED]> wrote:
> >
> > switch(condition){
> > case A:
> > break;
> > case B:
> > break;
> > default:
> > // not mendatory but should always be the last statement
> > break;
> > }
>
> That last break is actually unnecessary. The breaks are only to keep
> it from going to the next case. In some (pretty rare) cases, you may
> not even want to do that, e.g.:
>
> switch(a) {
> case 0:
> // Does this if a == 0
> break;
> case 1 :
> // Does this if a == 1.
> case 2 :
> // Does this if a == 1 or a == 2.
> default :
> // Does this if a is anything but 0.
> }
>
> --
> T. Michael Keesey
> The Dinosauricon: http://dino.lm.com
> Parry & Carney: http://parryandcarney.com
> ISPN Forum: http://www.phylonames.org/forum/
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