4 ms·
This is special syntax in Common Lisp. (SETF F) actually names a function too. It allows you to define a setter (a setf-expansion) with a normal DEFUN.
by reikonomusha 9y ago
This is special syntax in Common Lisp. (SETF F) actually names a function too. It allows you to define a setter (a setf-expansion) with a normal DEFUN.