Additional tests

snippets/toHash.md

@@ -14,7 +14,7 @@ const toHash = (object, key) =>
 ```
 
 ```js
-toHash([4, 3, 2, 1]); // { 0: 4, 1: 3, 2: 2, 1: 1 }
+toHash([4, 3, 2, 1]); // { 0: 4, 1: 3, 2: 2, 3: 1 }
 toHash([{ a: 'label' }], 'a'); // { label: { a: 'label' } }
 // A more in depth example:
 let users = [{ id: 1, first: 'Jon' }, { id: 2, first: 'Joe' }, { id: 3, first: 'Moe' }];