Macro: DOLIST*

Documentation

Like DOLIST but destructuring-binds the elements of LIST. If ITERATOR is a symbol then dolist* is just like dolist EXCEPT that it creates a fresh binding.

Source

(defmacro dolist* ((iterator list &optional return-value) &body body)
  "Like DOLIST but destructuring-binds the elements of LIST.

If ITERATOR is a symbol then dolist* is just like dolist EXCEPT
that it creates a fresh binding."
  (if (listp iterator)
      (let ((i (gensym "DOLIST*-I-")))
        `(dolist (,i ,list ,return-value)
           (destructuring-bind ,iterator ,i
             ,@body)))
      `(dolist (,iterator ,list ,return-value)
         (let ((,iterator ,iterator))
           ,@body))))