Super-dee-duper D features

[renoX]

Andrei Alexandrescu (See Website For Email) a écrit :
> James Dennett wrote:
>> C++, of course, has std::for_each(e.begin(), e.end(), do_x);
>> in its library (though that's weaker than it could be because
>> of lack of support for convenient anonymous functions/lambdas).
>>
>> C++0x is very likely to have for(v: e).  It's implemented
>> in ConceptGCC already. Java already has essentially that,
>> as does C#.  This really doesn't set D apart (but at least
>> D isn't falling behind here).
> 
> BTW, D might soon have simultaneous iteration that will blow away all 
> conventional languages:
> 
> foreach (i ; coll1) (j ; coll2)
> {
>   ... use i and j ...
> }
> continue foreach (i)
> {
>   ... coll2 finished; use i ...
> }
> continue foreach (j)
> {
>   ... coll1 finished; use j ...
> }
> 
> Best languages out there are at best ho-hum when it comes about 
> iterating through simultaneous streams. Most lose their elegant 
> iteration statement entirely and come with something that looks like an 
> old hooker early in the morning.

At first, I really didn't like the 'continue foreach', then afterwards I 
got used to it, I wonder if this is really such a requested feature 
though, what's wrong with the good old 'for' or 'while' for the complex 
case?

renoX

> Andrei