From fab040658bb21f2eac9f5e288cb8eac8df418891 Mon Sep 17 00:00:00 2001
From: Angelos Chalaris <chalarangelo@gmail.com>
Date: Wed, 24 Jan 2018 15:55:03 +0200
Subject: [PATCH] Add xProd

---
 snippets/xProd.md | 13 +++++++++++++
 tag_database      |  1 +
 2 files changed, 14 insertions(+)
 create mode 100644 snippets/xProd.md

diff --git a/snippets/xProd.md b/snippets/xProd.md
new file mode 100644
index 000000000..332d9f76e
--- /dev/null
+++ b/snippets/xProd.md
@@ -0,0 +1,13 @@
+### xProd
+
+Creates a new array out of the two supplied by creating each possible pair from the arrays.
+
+Use `Array.map()` to produce every possible pair from the elements of the two arrays.
+
+```js
+const xProd = (a, b) => a.map(x => b.map(y => [x, y]));
+```
+
+```js
+xProd([1, 2], ['a', 'b']); // [[1, 'a'], [1, 'b'], [2, 'a'], [2, 'b']]
+```
diff --git a/tag_database b/tag_database
index c34856405..dbe4c3043 100644
--- a/tag_database
+++ b/tag_database
@@ -243,6 +243,7 @@ UUIDGeneratorNode:node,utility,random
 validateNumber:utility,math
 without:array
 words:string,regexp
+xProd:array,math
 yesNo:utility,regexp
 zip:array
 zipObject:array,object