Re: [Boost-users] [fusion]Is it possible to wrap a function template into a function object?

Subject: Re: [Boost-users] [fusion]Is it possible to wrap a function template into a function object?
From: Joel de Guzman (joel_at_[hidden])
Date: 2011-08-12 02:36:40

On 8/12/2011 12:23 PM, Gordon Woodhull wrote:
> 
> On Aug 11, 2011, at 11:15 PM, someguy wrote:
> 
>> template<template<typename T0> class F>
>> struct temp_fun_1
>> {
>> template<typename TT0> void operator()( TT0 a1 )
>> { 
>>               // empty function for simplicity
>> }
>> };
>>
>> template<typename T> void Loopback(T t){ std::cout<&lt;t; }
>>
>> temp_fun_1&lt;Loopback&gt;(); //in main(). I can't even instantiate
>> temp_fun_1.
> 
> (Please post as plain text.)
> 
> I think the essential problem is that you'd have to have a template parameter which takes
> a function template, which can't be done:
> 
> http://groups.google.com/group/comp.std.c++/browse_thread/thread/64738c5af5bcaf04

Just use a plain, ol' macro to make a simple PFO wrapper ;-)

Regards,
-- 
Joel de Guzman
http://www.boostpro.com
http://boost-spirit.com