Re: [boost] [proto] Phoenix3 port to proto complete

Subject: Re: [boost] [proto] Phoenix3 port to proto complete
From: Thomas Heller (thom.heller_at_[hidden])
Date: 2010-07-28 04:17:09

On Wed, Jul 28, 2010 at 9:26 AM, Peter Dimov <pdimov_at_[hidden]> wrote:
> Joel de Guzman wrote:
>
>> You might want to re-post this with [bind] in the heading to solicit
>> a reply from Peter Dimov; (maybe CC him too). It's best to fully
>> understand the rationale behind the test.
>
> The test tests whether the constness of the object returned by bind is
> properly propagated to the bound function object. In the simplest case,
> bind( f ) should return something like:
>
> struct bound_f
> {
> Â  F f_;
>
> Â  void operator()() { return f_(); }
> Â  void operator()() const { return f_(); }
> };
>
> In the first op(), called for non-const bound_f objects, the f_ member is
> non-const. In the second op(), called for const bound_f objects, the f_
> member is const.

Thanks for the clarification. I will try to reflect that in phoenix3,
if there aren't any objections.