Lisp uses advising for that. In the modern form these are :before, :after and :around methods in CLOS. The difference between some Lisps and CPython is this: L

Lisp uses advising for that. In the modern form these are :before, :after and :around methods in CLOS. The difference between some Lisps and CPython is this: Lisp is its own implementation language and provides lower level control flow constructs, which can be compiled to efficient code.