renderbug-cpp/firmware/Static.h
2019-05-09 22:17:29 -07:00

17 lines
477 B
C++

#pragma once
// Utility class mostly for when certain inputs need singleton callback handlers
template<typename T> class Static {
public:
static T* instance() {
return s_instance;
}
private:
static T* s_instance;
};
#define NAMED_STATIC_ALLOC(Cls, StaticName) static Cls _staticAlloc__ ## StaticName;\
template<> Cls* Static<Cls>::s_instance=&_staticAlloc__ ## StaticName;
#define STATIC_ALLOC(Cls) NAMED_STATIC_ALLOC(Cls, Cls)