Merge pull request #55 from fejes713/master

Add value or default

snippets/value-or-default.md

@@ -0,0 +1,8 @@
+### Value or default
+
+Returns value, or default value if passed value is `falsy`.
+
+```js
+const valueOrDefault = (value, d) => value || d;
+// valueOrDefault(NaN, 30) -> 30
+```