From 5349de4cf89bce5c9ac93b30712a27d435ea184f Mon Sep 17 00:00:00 2001
From: Cory Binnersley <cory.binnersley@gmail.com>
Date: Thu, 24 Mar 2016 09:55:21 -0700
Subject: [PATCH] adds square.of 13

---
 index.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/index.js b/index.js
index 918d1a8e..8ca66923 100644
--- a/index.js
+++ b/index.js
@@ -109,6 +109,13 @@ function is(x) {
                 }
             }
         },
+        square: {
+            of: {
+                thirteen: function() {
+                    return x === 169;
+                }
+            }
+        },
         within: function(y) {
             return {
                 of: {