Delegate, scope and associative array
via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Tue Jun 3 11:58:01 PDT 2014
On Tuesday, 3 June 2014 at 13:30:13 UTC, Steven Schveighoffer
wrote:
> There is a school of thought (to which I subscribe) that says
> you shouldn't allocate a separate closure for each loop
> iteration.
>
> Basically, a closure will only use the stack frame of the
> calling function, not any loop iteration.
>
> This way, you can clearly delineate what scope the closure has,
> and avoid unnecessary allocations.
This is already a level too deep - it closes over variables, not
the stack frame. And from this point of view, the current
behavior is clearly wrong, because there is a different variable
in each iteration; it just happens to have the same name.
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