C++11 Lambda

#include <stdio.h>
#include <iostream>

using namespace std;

typedef void(*fun_ptr)(int, int);

void iPrint(int a, int b)
{
  cout << "IP :: " << a + b << endl;
}

int main()
{
  auto f = [](int a) -> int {return a + 1; };
  auto g = [](int a){return a - 1; };
  auto h = [] { cout << "Hello Lambda!!" << endl; }; //省略空参数表

  int(*fun_ptr_a)(int, int) = [](int a, int b) {cout << "IP :: " << a + b << endl; return a + b; };
  int c = fun_ptr_a(7, 8);
  cout << "OUTPUT :: " << c << endl;
  //std::cout << f(1) << std::endl;
  //std::cout << g(2) << std::endl;
  //h();

  //fun_ptr abc = iPrint;

  //abc(5, 6);
  system("pause");
  return 0;
}

posted on 2018-04-18 08:55  Floki  阅读(137)  评论(0编辑  收藏  举报