...which is great, until you want to use one paradigm and you also want to take advantage of a certain library, and you discover that the library uses a complet

...which is great, until you want to use one paradigm and you also want to take advantage of a certain library, and you discover that the library uses a completely different paradigm. Either you put up with an impedence mismatch between your code and the library, or you discover that in this language all paradigms are equal but some are more equal than others.