Simon Brooke simon-brooke

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Second generation programmer; I've worked with two people who had worked with Alan Turing, and with one person who helped build the Manchester Mark One.

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simon-brooke / my-cons.clj

Last active August 14, 2019 22:43 — forked from Solaxun/my-cons.clj

Clojure Cons Cell

	(def NIL (symbol "NIL"))

	(deftype ConsCell [CAR CDR]
	clojure.lang.ISeq
	(cons [this x] (ConsCell. x this))
	(first [this] (.CAR this))
	;; next and more must return ISeq:
	;; https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/ISeq.java
	(more [this] (if
	(= (.CDR this) NIL)

simon-brooke / 01_game_of_life.clj

Last active August 29, 2015 14:00 — forked from mowat27/01_game_of_life.clj

	(ns game-of-life.core)

	(def world [[2 1] [2 2] [1 1]])

	(defn neighbours [[x y]]
	[[(dec x) (dec y)] [x (dec y)] [(inc x) (dec y)]
	[(dec x) y] [(inc x) y]
	[(dec x) (inc y)] [x (inc y)] [(inc x) (inc y)]])

	(neighbours [2 2])