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#include <vector>
#include <functional>
#include <cinttypes>
#include <iostream>
namespace sf {
struct RenderWindow{};
struct VideoMode{ VideoMode(int x, int y){} };
struct Vector2f{ Vector2f(float x, float y){} };
struct ContextSettings{};
typedef uint32_t Uint32;
};
struct QueueEventFunction {
std::vector<std::function<void()>> v; // stores the functions and arguments
// as zero argument lambdas
template <typename F,/*template <typename U, typename = std::allocator<U> >*/ typename ...Args>
void Enqueue(F f, Args... args)
{
v.push_back([=] { f(args...); }); // add function and arguments
// as zero argument lambdas
// that capture the function and arguments
}
void CallAll()
{
for (auto f : v)
f(); // calls all the functions
}
};
class Window : public sf::RenderWindow {
public:
Window(sf::VideoMode window, const std::string& title, sf::Uint32 style = 7U, sf::ContextSettings settings = sf::ContextSettings()) {};
~Window() {};
template <typename F, typename ...Args>
void addQueue(F f, Args...args);
void execQueue();
private:
QueueEventFunction queue;
};
template <typename F, typename ...Args>
void Window::addQueue(F f, Args...args) {
queue.Enqueue(f, std::forward<Args>(args)...);
}
void Window::execQueue() {
queue.CallAll();
}
template<typename T>
int add(T a, T b) {
std::cout << "add(" << a << "," << b << ") -> " << a+b << "\n";
return a + b;
}
class foo{
public:
template<typename T>
T add( T a, T b) {
std::cout << "foo::add(" << a << "," << b << ") -> " << a+b << "\n";
return a + b;
}
template<typename T>
static T static_add( T a, T b) {
std::cout << "foo::static_add(" << a << "," << b << ") -> " << a+b << "\n";
return a + b;
}
};
int main() {
foo bar;
auto bar_add = [&bar](auto a,auto b){ return bar.add<int>(a,b); };
auto bind_add = std::bind(&foo::add<int>, &bar, std::placeholders::_1, std::placeholders::_2);
Window window(sf::VideoMode(600, 600),"Test Window",7U,sf::ContextSettings());
window.addQueue(bind_add,5,2);
window.addQueue(bar_add,5,2);
window.addQueue(add<int>,5,2);
window.addQueue(foo::static_add<int>,5,2);
window.execQueue();
return 0;
}
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