foreach
Mason McGill via Digitalmars-d
digitalmars-d at puremagic.com
Thu Jun 12 14:27:58 PDT 2014
On Thursday, 12 June 2014 at 15:00:20 UTC, Manu via Digitalmars-d
wrote:
> I often find myself wanting to write this:
> foreach(; 0..n) {}
> In the case that I just want to do something n times and I don't
> actually care about the loop counter, but this doesn't compile.
>
> You can do this:
> for(;;) {}
>
> If 'for' lets you omit any of the loop terms, surely it makes
> sense
> that foreach would allow you to omit the first term as well?
> I see no need to declare a superfluous loop counter when it is
> unused.
Seems like a nice idea. Especially useful when it comes to
reading other people's code:
foreach (i; 0..n)
{
some();
long();
list();
of();
tasks();
}
// I always double back--"wait, where did they use `i`?"
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