The fun thing about this is that it is allowing diving directly into an approximate implementation of the API, without having to locate the specific Old New Thi

The fun thing about this is that it is allowing diving directly into an approximate implementation of the API, without having to locate the specific Old New Thing post or other such article on an obscure function. I've seen some great write-ups were people have done just this when investigating bugs and strange behaviours, it's rather cool!