for, foreach identifier allowed in c throws error in d

John Colvin via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Mon Jun 2 14:25:24 PDT 2014


On Monday, 2 June 2014 at 20:23:12 UTC, Steven Schveighoffer 
wrote:
> On Mon, 02 Jun 2014 15:58:01 -0400, Steven Schveighoffer 
> <schveiguy at yahoo.com> wrote:
>
>
>> I'm trying to think of a way to do this without loops, but not 
>> sure.
>
> I'm surprised, I looked for some kind of "apply" function like 
> map, but just calls some function with each element in the 
> range.
>
> Something like this would make this a 1 (2?) liner:
>
> if(i == t.length) writeln(t) else each!((x) => {t[i] = x; 
> foo(i+1);})(iota(x.length));
>
> But I can't find a phobos primitive for each. Would have 
> expected it in std.algorithm or std.functional?
>
> -Steve

Its been discussed a few times. There were some objections (IIRC 
Walter thought that there was no significant advantage over plain 
foreach).


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