Merge pull request #71 from sandstreamdev/cover_date_module_with_tests_and_update_its_docs

Cover date module with tests and update its docs

Author: przemyslawzalewski

README.md

@@ -1,6 +1,6 @@
 /* eslint-env jest */
 // @ts-ignore ambiguous import
-import length from "./length";
+import length from "./length.ts";
 
 describe("length", () => {
   it("returns the length of the given array", () => {

array/length.test.ts

@@ -1,6 +1,6 @@
 /* eslint-env jest */
 // @ts-ignore ambiguous import
-import pop from "./pop";
+import pop from "./pop.ts";
 
 describe("pop", () => {
   it("returns the given array without the last element", () => {