/*
 * =========================================================================
 *
 * FileName: std_bind.cpp
 *
 * Description:
 *
 * Version: 1.0
 * Created: 2018年01月19日 13:53:26
 * Last Modified: 2018年01月19日 14:21:47
 * Revision: none
 * Compiler: gcc
 *
 * Author: zt ()
 * Organization:
 *
 * =========================================================================
 */

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stddef.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
//#include <unistd.h>
//#include <netinet/in.h>
//#include <arpa/inet.h>
//#include <sys/socket.h>

#include <iostream>
#include <memory>
#include <algorithm>
#include <vector>
#include <thread>
#include <mutex>
#include <map>
#include <list>
#include <string>
#include <functional>
#include <chrono>

#define _CRT_SECURE_NO_WARNINGS

#include <iostream>
#include <string>
#include <memory>
#include <functional>
#include <vector>
#include <map>


void func ( int x, int y )
{
 std::cout << x << " " << y << std::endl;
}

void mytest()
{
 func ( 1, 2 );

 func ( 11, 12 );
 // std::placeholders are placeholders
 // std::placeholders::_1 is a placeholder representing the first argument passed during the call.
 auto bound1 = [] ( int y )
 {
 func ( 32, y );
 };
 bound1 ( 31 );
 std::bind ( &func, 42, std::placeholders::_1 ) ( 42 );
 std::bind ( &func, std::placeholders::_1, std::placeholders::_2 ) ( 51, 52 );
 std::bind ( &func, std::placeholders::_3, std::placeholders::_2 ) ( 61, 62, 63 );

 //std::bind(func, 2, std::placeholders::_2)(1); // err, 调用时没有第二个参数

 return;
}

int main ( int argc, char* argv[] )
{
 ( void ) argc;
 ( void ) argv;

 mytest();

 std::this_thread::sleep_for(std::chrono::seconds(1));

 return 0;
}