Re: [Boost-users] A question on overloaded function? Can anyone with kindness help me?

Subject: Re: [Boost-users] A question on overloaded function? Can anyone with kindness help me?
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-07-01 21:11:48

AMDG

fmingu wrote:
> But how can I change the expression to be legal and usable?
>  bind(&std::pow,constant(-1),bind(&IIPrimemap::size,var(primemapvec)));
> I tried :
> bind(&std::pow,constant(-1.0),bind<int>(&IIPrimemap::size,var(primemapvec)));
> and 
> bind(&std::pow,constant(-1.0),ret<int>(bind(&IIPrimemap::size,var(primemapvec))));
> even 
> bind(&std::pow,constant(-1.0),ll_dynamic_cast<int>(bind(&IIPrimemap::size,var(primemapvec))));
> But the complier told me that:
> cannot resolve overloaded function `pow' based on conversion to 
>    type `unsigned int'
>   

Ignore the "conversion to unsigned int" part. The compiler
doesn't know how to handle std::pow and gets itself confused.
The problem is &std::pow, not the inner bind expression.

> I do not know how to solve now.
> Can anyone with kindness help me?
>
>   
>> You can't pass the address of an overloaded function to
>> a function template like bind without casting it to the
>> correct function pointer type.
>>     

In Christ,
Steven Watanabe