[英]Calling a method from one class in another class
我有這個課:
#pragma once
#include <functional>
#include <iostream>
class boer
{
private:
std::function<void(int id_)> someFun;
public:
boer();
~boer();
void setSomeFun(std::function<void(int id_)> someFun_);
void getSomeFun();
};
#include "boer.h"
boer::boer() { }
boer::~boer() { }
void boer::setSomeFun(std::function<void(int id_)> someFun_)
{
someFun = someFun_;
}
void boer::getSomeFun()
{
someFun(12345);
}
和這個類:
#pragma once
#include <functional>
#include <iostream>
#include "boer.h"
class aircraft
{
private:
boer Boer;
public:
aircraft();
~aircraft();
void source_forSomeFun(int id_);
};
#include "aircraft.h"
aircraft::aircraft() { }
aircraft::~aircraft() { }
void aircraft::source_forSomeFun(int lol_)
{
std::cout << "AMAZING!!!" << std::endl;
}
而且我需要連接void source_forSomeFun(int id_);
在aicraft
帶std::function<void(int id_)> someFun;
在boer
。 我怎樣才能做到這一點? 也許還有另一種方法,但是我認為這種方法是最可取的。
int main()
{
aircraft Aircraft;
boer Boer;
Boer.setSomeFun(???); // here
Boer.getSomeFun();
int i;
std::cin >> i;
return 0;
}
Boer.setSomeFun([&](int v){aircraft.source_forSomeFun(v);});
使用lambda。
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