The annoyance is that the .NET standard library already does this precise thing, but haphazardly and in far fewer places than ideal.
ILogger and IProgress<T> comes to mind immediately, but IMemoryCache too if you squint at it. It literally just "sets" and "gets" a dictionary of values, which makes it a "state" effect. TimeProvider might be considered an algebraic effect also.
ILogger and IProgress<T> comes to mind immediately, but IMemoryCache too if you squint at it. It literally just "sets" and "gets" a dictionary of values, which makes it a "state" effect. TimeProvider might be considered an algebraic effect also.