dcollections 1.0 and 2.0a beta released

[Andrei Alexandrescu]

On 05/20/2010 06:17 AM, Michel Fortin wrote:
> On 2010-05-20 06:34:42 -0400, Steven Schveighoffer <schveiguy at yahoo.com>
> said:
>
>> I understand these points, but I'm already using interfaces to copy
>> data between containers. I don't have to, I could have used generic
>> code, but this way, only one function is instantiated to copy data
>> from all the other containers. The problem with using generic code is
>> that the compiler will needlessly duplicate functions that are identical.
>
> One question. Have you calculated the speed difference between using an
> interface and using generic code? Surely going through all those virtual
> calls slows things down a lot.
>
> I do like interfaces in principle, but I fear it'll make things much
> slower when people implement things in term of interfaces. That's why
> I'm not sure it's a good idea to offer container interfaces in the
> standard library.

There will be differences, but let's keep in mind that that's one of 
several arguments against container interfaces.

Andrei