void (Base::*f1)() = &Base::foo; //注意,*在::后面 void (*f2)() = &Base::sfoo(); //注意static成员的指针不需指定作用域,可以向普通函数那样调用 std::function<> #include <iostream> using namespace std; class AA { public: int m_a = 4; void f1() { cout << "AA::f1()" ...
std::cout << "Global function half" << std::endl; return x / 2; } int add(int x, int y) { std::cout << "Global function add" << std::endl; return (x + y); } int main() { std::function<int(int)> fn_half; std::function<int(int, int)> fn_add; fn_half = half;...
void (Base::*f1)() = &Base::foo; //注意,*在::后面 void (*f2)()= &Base::sfoo(); //注意static成员的指针不需指定作用域,可以向普通函数那样调用 std::function<> #include <iostream>usingnamespacestd;classAA {public:intm_a =4;voidf1() { cout<<"AA::f1()"<<endl; }voidf2() ...
对于类成员函数、lambda表达式或其他可调用对象就无能为力了，因此，C++11推出了std::function与std::...
std::function<void( )> Create; std::function<void( int x, int Y)> Create; No you cannot. This code tries to define two variables with the same name. The fact that the types of those variables are instantiations of std::function template is irrelevant - this won't work for the same...
/* zero out UserDefined data: */ @@ -1107,14 +1110,15 @@ void curl_easy_reset(struct Curl_easy *data) * NOTE: This is one of few API functions that are allowed to be called from * within a callback. */ CURLcode curl_easy_pause(struct Curl_easy *data, int action) CURLcode ...
当您在类模板中使用非限定名称时，您必须告诉编译器，在两阶段名称查找的第一阶段，它不应该立即搜索...
void (Base::*f1)() = &Base::foo; //注意,*在::后面 void (*f2)()= &Base::sfoo(); //注意static成员的指针不需指定作用域,可以向普通函数那样调用 std::function<> #include <iostream>usingnamespacestd;classAA {public:intm_a =4;voidf1() ...
std::function<void( )> Create; std::function<void( int x, int Y)> Create; No you cannot. This code tries to define two variables with the same name. The fact that the types of those variables are instantiations of std::function template is irrelevant - this won't work for the same...