C++ 17中std::invoke函数可以用来调用函数、函数指针以及类的成员函数
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| #include <iostream>
#include <functional>
using namespace std;
void globalFunction( ) {
cout << "globalFunction ..." << endl;
}
class MyClass {
public:
void memberFunction ( int data ) {
std::cout << "\nMyClass memberFunction ..." << std::endl;
}
static void staticFunction ( int data ) {
std::cout << "MyClass staticFunction ..." << std::endl;
}
};
int main ( ) {
MyClass obj;
std::invoke ( &MyClass::memberFunction, obj, 100 );
std::invoke ( &MyClass::staticFunction, 200 );
std::invoke ( globalFunction );
return 0;
}
|