diamond kata clojure

Diamond Kata using tdd guided by property based tests.

Inspired by Nat Pryce Diamond Kata - TDD with only Property-Based Tests article.

Running the tests

lein test-refresh

Main methods

(diamond.core [ch]) produces a diamond

(diamond.io [diamond] prints a diamond

E.g. this is the diamond generated for \H

-------A-------
------B-B------
-----C---C-----
----D-----D----
---E-------E---
--F---------F--
-G-----------G-
H-------------H
-G-----------G-
--F---------F--
---E-------E---
----D-----D----
-----C---C-----
------B-B------
-------A-------