unregister method
Unregister a callback
Implementation
@override
void unregister(
CallbackWithReturn<CallbackInputType, CallbackReturnType> callback) {
map.delete(callback.hashCode);
}
Unregister a callback
@override
void unregister(
CallbackWithReturn<CallbackInputType, CallbackReturnType> callback) {
map.delete(callback.hashCode);
}