Breaking a foreach loop

[Brad King]

Pino Toscano wrote:
> Hello,
> 
> imagine I'm iterating using a foreach() like this:
> set(MY_OPTS "foo bar etc")
> foreach(OPT ${MY_OPTS})
>   # do something ...
> endforeach(OPT ${MY_OPTS})
> 
> is there a way to break the iteration, just like a break in C?
> 
> Whether it exist, does it break even nested foreach()?

This is not possible, but you can simulate it yourself:

SET(OPT_DONE 0)
foreach(opt ${MY_OPTS})
   if(NOT OPT_DONE)
     #...code...
     if(..need to break..)
       set(OPT_DONE 1)
     endif(..need to break..)
   endif(NOT OPT_DONE)
endforeach(opt

-Brad