fix naming

snippets/get-type.md

@@ -0,0 +1,9 @@
+### Get native type of value
+
+Returns lower-cased constructor name of value, "undefined" or "null" if value is undefined or null
+
+```js
+const getType = v =>
+  v === undefined ? 'undefined' : v === null ? 'null' : v.constructor.name.toLowerCase();
+// getType(new Set([1,2,3])) -> "set"
+```