On Monday, 22 June 2015 at 20:34:00 UTC, anonymous wrote:
> On Monday, 22 June 2015 at 18:44:22 UTC, Assembly wrote:
>> I'm using this, thanks for all. Can someone clarify how does opApply() works? I assume it's called every iteration and as opApply() has a loop does it means the number of iteration ran actually is the ones from foreach() is 2*n where n is the number of elements in the array, is this right?
>
> opApply is called only once. The body of the foreach is passed to opApply as a delegate. The opApply implementation runs the supplied foreach body, possibly in a loop. Every such call is an iteration of the foreach loop.
>
> With opApply this:
>     foreach(x; iterable) {/* do something with x */}
> gets rewritten to this:
>     iterable.opApply((x) {/* do something with x */});

got it, thanks :)