friend void intrusive_ptr_add_ref(Chiller* o) { o->refcount_.fetch_add(1, std::memory_order_relaxed); }
#endif
- inline static xbt::signal<void(Chiller*)> on_power_change;
+ static xbt::signal<void(Chiller*)> on_power_change;
xbt::signal<void(Chiller*)> on_this_power_change;
public: