selects the SDL_INIT_TIMER subsystem
selects the SDL_INIT_AUDIO subsystem
selects the SDL_INIT_VIDEO subsystem
selects the SDL_INIT_JOYSTICK subsystem
selects the SDL_INIT_HAPTIC subsystem
selects the SDL_INIT_GAMECONTROLLER subsystem
selects the SDL_INIT_EVENTS subsystem
selects the SDL_INIT_EVERYTHING subsystem
selects the SDL_INIT_NOPARACHUTE subsystem
selects the SDL_INIT_SENSOR subsystem (from SDL 2.0.9)
true if the selected subsystem(s) is initialized, otherwise false
dsdl2.init(); assert(dsdl2.wasInit(video : true) == true);
Wraps SDL_WasInit which checks whether particular subsystem(s) is already initialized