extends Observable class_name ReactiveSignalBase var this func _init(subscribe_ : Callable): this = self this.unreference() super._init(subscribe_) func _notification(what): if what == NOTIFICATION_PREDELETE: this.dispose() func _emit(_args = []): NotImplementedError.raise() func attach(_cb : Callable): NotImplementedError.raise() func detach(_cb : Callable): NotImplementedError.raise() func emit(): self._emit() func emit0(): self._emit([]) func emit1(arg0): self._emit([arg0]) func emit2(arg0, arg1): self._emit([arg0, arg1]) func emit3(arg0, arg1, arg2): self._emit([arg0, arg1, arg2]) func emit4(arg0, arg1, arg2, arg3): self._emit([arg0, arg1, arg2, arg3]) func emit5(arg0, arg1, arg2, arg3, arg4): self._emit([arg0, arg1, arg2, arg3, arg4]) func emit6(arg0, arg1, arg2, arg3, arg4, arg5): self._emit([arg0, arg1, arg2, arg3, arg4, arg5]) func emit7(arg0, arg1, arg2, arg3, arg4, arg5, arg6): self._emit([arg0, arg1, arg2, arg3, arg4, arg5, arg6]) func emit8(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7): self._emit([arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7]) func emit_unit(): self._emit([StreamItem.Unit()]) func dispose(): NotImplementedError.raise()