functor

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overloading a virtual function that is used in a base classes non-virtual function

Hey so i\'m trying to build the following member Functors of class ConcavePolygon, and i\'m getting Linker External symbol error for some reason:[详细]

2023-03-20 13:16 分类：问答
Allegrograph - Functors like RDF objects properties?

Using Allegrograph, Prolog functors are pretty awesome, but there is one downside. Let\'s say you define a functor that links two entities, for example parentOf which equals to \"!n:motherOf OR !n:f[详细]

2023-03-20 10:20 分类：问答
Is it possible to retrieve the argument types from a (Functor member's) function signature for use in a template?

Assume you have a functor: struct MyFunctor { bool operator ()( int value ) { return true; } }; Is it possible to retrieve a functor\'s member\'s argument type for use within your template? The fol[详细]

2023-03-19 13:04 分类：问答
why does ptr_fun find this ambiguous even when template parameters are given?

So, here is some basic code which illustrates my question: #include <functional> int func(int x) {[详细]

2023-03-19 06:50 分类：问答
GCC 3.42 and VC2008 treat std::transform differently, take a reference or a copy of the functor?

I have Googled this functor-related topic, and it seems that people would generally say that the Standard Library will take a functor as a copy by default. Many examples have been found, and this is t[详细]

2023-03-18 11:22 分类：问答
C++, Functors, specific task/scenario, mapping user input to functions

I already know the basics about functors, how they are created and so on. I now have a specific code that would probably benefit from being converted to functors:[详细]

2023-03-18 09:18 分类：问答
How can boost::bind call private methods?

boost::bind is extremely handy in a number of situations. One of them is to dispatch/post a method call so that an io_service will make the call later, when it can.[详细]

2023-03-16 07:22 分类：问答
Passing object parameter to a functor by reference

I\'ve got a functor that takes a lat3d object as a parameter, and I want to pass this functor to a root finding routine that adjusts ef.The functor looks like:[详细]

2023-03-12 03:24 分类：问答
Detecting function object (functor) and lambda traits

How can I detect the return type and parameter types of nullary and unary function pointers, std::function objects, and functors (including lambdas)?[详细]

2023-03-09 23:01 分类：问答
functor call (additional characters)

I tried to build a minimal example: struct Functor { void operator()(int& a) { a += 1; } void other(int& a)[详细]

2023-03-09 13:20 分类：问答