Return type in the TypedMiddleware is void

[loposkin]

The middleware has the return type void in the TypedMiddleware class

redux.dart/lib/src/utils.dart

Lines 214 to 234 in 3c515fb

	class TypedMiddleware<State, Action> implements MiddlewareClass<State> {
	/// A [Middleware] function that only works on actions of a specific type.
	final void Function(
	Store<State> store,
	Action action,
	NextDispatcher next,
	) middleware;
	/// Create a [Middleware] that is only executed when the dispatched action
	/// matches the [Action] type.
	TypedMiddleware(this.middleware);
	@override
	dynamic call(Store<State> store, dynamic action, NextDispatcher next) {
	if (action is Action) {
	return middleware(store, action, next);
	} else {
	return next(action);
	}
	}
	}

I've expected that after merging #52 middleware should have the return type dynamic, but this line was not changed. Is it a bug or is there a reason for this behavior?
Possible pull request: #66

[brianegan]

It was a bug! I've merged that in. Thanks for the contribution :)