From: David Bergman (David.Bergman_at_[hidden])
Date: 2006-08-30 20:35:09
Jared,
std::bind1st was not meant to "freeze" operations, but just for simple
currying scenarios. As such, it expects a binary function as input. For a
more generic binder, use boost::bind. In fact, just replace std::bind1st
with boost::bind (and, yes, you can then skip that mem_fun altogether) and
include <boost/bind.hpp>.
I.e., your problem had nothing to do with boost::function.
Regards,
David
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| http://blog.davber.com = blah, blah , blah |
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> -----Original Message-----
> From: boost-bounces_at_[hidden]
> [mailto:boost-bounces_at_[hidden]] On Behalf Of Jared McIntyre
> Sent: Wednesday, August 30, 2006 6:31 PM
> To: boost_at_[hidden]
> Subject: [boost] [Function] Can't attach to member without parameters
>
> I'm sure I'm missing something pretty fundamental here. I'm
> trying to set a boost::function to a member function without
> any parameters. The following code fails to build (using VS
> 2005, haven't tested anything else). If I set it to a
> non-member function it works fine.
>
> #include <functional>
> #include <boost/function.hpp>
>
> class test
> {
> public:
> int GetInt()
> {
> return 1;
> }
> };
>
> int _tmain(int argc, _TCHAR* argv[])
> {
> test inst;
> boost::function<int ()> getter;
>
> // Getting several errors where it appears that <int
> ()> isn't being handled
> // as a signature when being handled by mem_fun. Not
> sure whether that is related.
> getter = std::bind1st( std::mem_fun(&test::GetInt), &inst);
>
> return 0;
> }
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