Common Lisp member function icon Three cons cells in a chain, with the first cell grayed out and the remaining two highlighted to represent the tail returned by member 【Common Lisp】なぜ member は tail のコンスセルを返すのか（所属述語関数） 2026-05-232026-05-23 by chiilabo #Common Lisp（166） #コンスセル（20） #MacLisp（8） #equal（7） #NIL（7）