Except you've added a library. And the function is no less testable than the thunk. I fail to see why adding access to the entire application state is an advan

Except you've added a library. And the function is no less testable than the thunk. I fail to see why adding access to the entire application state is an advantage. This is just cargo culting. In fact that you held up that counter example as a preferable practice tells me everything I need to know about your library.