Re: [Boost-users] How am I misusing boost::lambda::bind?

From: Peter Dimov (pdimov_at_[hidden])
Date: 2007-01-05 09:39:37

Jason House wrote:

>>   template<typename T0>
>>   struct type_wrapper1<void,T0>{
>>     static double wrap(boost::function1<void,T0>* callback_function,
>>       double cmd){ unsigned int position;
>>       T0 a0;
>>       (*callback_function)(a0);
>>     };
>>   };
>>
>> };
>>
>> template<typename R0, typename T0>
>> GTPFunctionObject* GTPCommandCallBack1(boost::function1<R0,T0>
>>   *callback_function){ return new
>> GTPFunctionObject(boost::lambda::bind((gtp_detail::type_wrapper1<R0,T0>::wrap),boost::lambda::_1));

I've no idea what are you trying to do here, but wrap takes two arguments, 
and you only pass one. Probably a missing "callback_function," before the 
_1. Why are you allocating the function1 on the heap? Once you put it into 
lambda::bind it would be hard to not leak it. :-)