Re: [boost] I'd like to write a static lambda library.

From: Atry (pop.atry_at_[hidden])
Date: 2007-06-28 09:19:41

I will reimplement all code. So it would not be done this week.

Atry wrote:
> It can not work now. But I will make expressions like 
> BOOST_STATIC_LAMBDA_FUNCTOR(_1 + _2) always worked for both native or 
> emulated typeof this week. Unfortunately, 
> BOOST_STATIC_LAMBDA_FUNCTOR(_1 + _2 * 
> _1)::static_invoke(custom_value1, custom_value2) will never work if 
> result of custom_value2*custom_value1 or 
> custom_value1+custom_value2*custom_value1 is a unregistered type for 
> the platform does not have native typeof. The client not have native 
> typeof have to register all type may be evaluated is registered.
>
>
> On 6/27/07, *Alexander Nasonov* <alnsn_at_[hidden] 
> <mailto:alnsn_at_[hidden]>> wrote:
>
>     Atry wrote:
>     > Alexander Nasonov wrote:
>     > Yes, getting a static function pointer is easy, I will add that
>     method
>     > later. But I have highly depended on typeof, I use typeof to
>     determine
>     > the result of almost all expressions, and Boost.Lambda does not.
>     Typeof
>     > enhanced lots of flexibility. For example, if a operator is
>     overrided to
>     > return a unusual return value, for Boost.Lambda, you have to
>     manually
>     > specify that return value using a "ret<return_type>(expr)"
>     syntax. And I
>     > used typeof to avoid that.
>
>     I agree that typeof is a very powerful tool but it's still
>     non-standard.
>     Would it work if you enhance Boost.Lambda without using non-standard
>     extensions and then apply BOOST_TYPEOF in your _client_ code?
>
>     --
>     Alexander Nasonov
>     http://nasonov.blogspot.com
>
>     Error of opinion may be tolerated where reason is left free to
>     combat it. -- Thomas Jefferson --
>
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