Solves mastermind in 5 moves or less using Knuth's mastermind algorithm.

Installation

Vanilla Emacs

First, clone the repository:

git clone https://github.com/rickpr/mastermind.git

Then, from within Emacs:

• M-x package-install-file
• Select mastermind.el from the folder the repo was cloned into (should be mastermind).

DOOM Emacs

Add to your packages.el:

(package! mastermind
  :recipe (:host github :repo "rickpr/mastermind"))

Then run doom sync -u (usually invoked by ~/.emacs.d/bin/doom sync -u) to install.

Usage

Choose a mastermind code and press M-x mastermind. The computer will make a guess. Let the computer know how many red hits and white hits it has, and it will refine its guess until it finds the combination. Should take no more than 5 guesses.

Running tests

Open the file mastermind-test.el and run M-x eval-buffer. Then run M-x ert.