Re: [Boost-users] [boost.bind] How to retrieve the function type of a boost::bind result

Subject: Re: [Boost-users] [boost.bind] How to retrieve the function type of a boost::bind result
From: Olaf Krzikalla (krzikalla_at_[hidden])
Date: 2009-01-27 06:10:48

Hi,

Steven Watanabe wrote:
> 
> Olaf Krzikalla wrote:
> 
>> template<typename T>
>> void foo(boost::function<T> func) { /*...*/ }
>>
>> void bar() {}
>>
>> void baz()
>> {
>>   foo(boost::bind(&bar));                           // error
>> }
>>
>> So how do I get the first line of baz to work? That is, is there a 
>> generic way to compute the boost::function type from the bind result?
> 
> There is not because the boost::function type is not unique.
Hmm, indeed.
However wouldn't it be possible for the bind (member) function pointer 
overloads to return a "_bind_t_ex" type derived from _bind_t containing 
a function_type typedef? In my particular use case I will use bind with 
function pointers only.

Best regards
Olaf Krzikalla