functor

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Is it possible to use boost::bind to effectively concatenate functions?

Assume that I have a boost::function of with an arbitrary signature called type CallbackType. Is it possible to use boost::bind to compose a function that takes the same arguments as the CallbackTy[详细]

2022-12-28 11:36 分类：问答
Problems with passing an anonymous temporary function-object to a templatized constructor

I am trying to attach a function-object to be called on destruction of a templatized class. However, I can not seem to be able to pass the function-object as a temporary. The warning I get is (if the[详细]

2022-12-26 09:20 分类：问答
Can I write functors using a private nested struct?

Given this class: class C { private: struct Foo { int key1, key2, value; }; std::vector<Foo> fooList; };[详细]

2022-12-23 14:27 分类：问答
Different behavior of functors (copies, assignments) in VS2010 (compared with VS2005)

When moving from VS2005 to VS2010 we noticed a performance decrease, which seemed to be caused by additional copies of a functor.[详细]

2022-12-23 02:25 分类：问答
Visual Studio 2010 and std::function

I have this code: #include <iostream> #include <functional> struct A { int operator()(int i) const {[详细]

2022-12-22 11:34 分类：问答
C++: create betwen-startups relevent functor list

I create something like a list of functors (functions pointers). Then I write them in binary form into file. The problem is, that, functor - is a simple function pointer. (correct me if I\'m wrong.) B[详细]

2022-12-22 03:50 分类：问答
Would you please explain OCaml functors to me? [duplicate]

This questio开发者_运维问答n already has answers here: Closed 10 years ago. Possible Duplicate: In Functional Programming, what is a functor?[详细]

2022-12-21 23:16 分类：问答
How can it be useful to overload the "function call" operator?

I recently discovered that in C++ you can overload the \"function call\" operator, in a strange way in which you have to write two pair of parenthesis to do so:[详细]

2022-12-21 17:05 分类：问答
In C++ what does it mean for a compiler to "inline" a function object?

In the wikipedia article about function开发者_如何学Go objects it says such objects have performance advantages when used with for_each because the compiler can \"inline\" them.[详细]

2022-12-19 19:21 分类：问答
Can a functor retain values when passed to std::for_each?

According to the first answer to this question, the functor below should be able to retain a value after being passed to foreach ( I couldn\'t get the struct Accumulator in the example to compile, so[详细]

2022-12-17 19:08 分类：问答