Hi all,
I'd like to implement a callback that takes two references to
std::string and returns a bool via a Functor.
But I can't find a function that wraps a matching member function call
(if I understand the naming scheme correctly, this should be something
like 'osgTypedMethodFunctor2ObjRef').
Am I missing something or do I have to use the pointer variant given below?
// what I want
TypedFunctor2Base<
bool, RefCallArg< std::string const >, ArgsCollector< std::string& >
> callbackWithRef;
// what I can get to work
TypedFunctor2Base<
bool, PtrCallArg< std::string const >, ArgsCollector< std::string& >
> callbackWithPtr;
// works with CallbackWithPtr
bool takesPtr( std::string const* arg1, std::string& arg2 )
{ return true; }
// works with CallbackWithRef
bool takesRef( std::string const& arg1, std::string& arg2 )
{ return true; }
struct S
{
// works with CallbackWithPtr
bool takesPtr( std::string const* arg1, std::string& arg2 )
{return true;}
// works not with CallbackWithRef?
bool takesRef( std::string const& arg1, std::string& arg2 )
{return true;}
} s;
// this works
callbackWithPtr = osgTypedMethodFunctor2ObjPtr<
bool, S, std::string const, std::string&
>( &s, &S::takesPtr );
// can't find this function...
callbackWithRef = osgTypedMethodFunctor2ObjRef<
bool, S, std::string const, std::string&
>( &s, &S::takesRef );
Regards,
Karsten
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