commander-trashdin

Python (3) to (Common) Lisp feature comparison



Memory model & typing:


CL & Python are both managed-memory languages.
Both are also dynamically-typed languages with strong type systems (no implicit type coercion), although Python's design leans toward "duck" typing, and CL's does not.

commander-trashdin

(defparameter *infix-operator-order* '((!) (^ :reverse) (* /) (+ -) (> < >= <= =) (and) (or) (eql)))

(defparameter *infix-operator-set* '(+ * ^ - / ! = and or eql))

(defparameter *unary-operator-set* '(!))

(defparameter *infix-operator-hash* (let ((local-hash (make-hash-table)))
                                      (setf (gethash '+ local-hash) '+)
                                      (setf (gethash '* local-hash) '*)
                                      (setf (gethash '^ local-hash) 'expt)