module events;

import std.conv,std.stdio;

struct Event
{
    T opCast(T)()
    {
//      enforce(T.type == 0);
        return cast(T)this;
    }
    int type;
    int num_elements;
}

struct JoystickButtonPressed
{
    int joystick;
    int button;
    bool down;
    int usecs;
    Event event;
    alias event this;
}

void send() {
    Event * e;
    auto j = JoystickButtonPressed(0,1,true,0,Event(0,4));
    e = &j.event;
    recieve(e);
}

void recieve(Event * e) {
    JoystickButtonPressed * j = to!(JoystickButtonPressed*)(e);
    //writeln("event type %i button %i",j.type,j.button);
}