Re: [Boost-users] [boost::function_types] Create function type from member function type

From: Tobias Schwinger (tschwinger_at_[hidden])
Date: 2006-08-12 17:39:22

Rodney Morison wrote:
> Peter Soetens wrote:
> 
>>Hi,
>>
>>I was looking for a way to convert a member function type:
>>
>>bool (X::*)(int) or bool (X::)(int)
>>
>>to the 'C' equivalent, without the class pointer:
>>
>>bool (*)(int) or bool(int)
>>  
> 
> 
> You might want to read the (excellent) article on function pointers in 
> C++ at http://www.codeproject.com/cpp/FastDelegate.asp. That will 
> explain why your question is highly nontrivial, but a worthy query for 
> certain applications (like delegates).
> 

The example suite (link in my previous post in this thread) coincidentally 
contains a member function wrapper that uses member function pointers as 
non-type template parameters.
That technique could be used to build an equally fast delegate without 
relying upon compiler internals.

Regards,

Tobias