opApply not called for foeach(container)

[monarch_dodra]

On Thursday, 12 July 2012 at 21:18:21 UTC, Steven Schveighoffer 
wrote:
>
> If opSlice is to be used, this is how it should go (in order of 
> precedence):
>
> 1. if aggr has opApply or opApplyReverse, use it.
>
> 2. if aggr has opSlice, and the result of aggr.opSlice() has 
> opApply or opApplyReverse, use it.
>
> 3. if aggr has opSlice, and the result of aggr.opSlice() has 
> empty/front/popfront, use it as in your 2a above.
>
> 4. if aggr has empty/front/popFront, use it as in your 2b above.
>
> 5. static or dynamic array.
>
> I should also note that the existence of opApply should not 
> preclude later possibilities if that opApply can't compile for 
> the given foreach parameters.
>
> -Steve

4.1:Make copy first.