Merge branch 'master' into day2-5

step2-04/exercise/src/stack.spec.ts

@@ -1,16 +1,16 @@
-// Import the stack here
+// TODO: Import the stack here
 
 describe('Stack', () => {
   it('should push item to the top of the stack', () => {
-    // implement test here:
-    // 1. Create a stack instance
+    // TODO: implement test here:
+    // 1. Instantiate a new Stack - i.e. const stack = new Stack<number>();
     // 2. Use stack push calls to add some items to the stack
     // 3. Write assertions via the expect() API
   });
 
   it('should pop the item from the top of stack', () => {
-    // implement test here:
-    // 1. Create a stack instance
+    // TODO: implement test here:
+    // 1. Instantiate a new Stack - i.e. const stack = new Stack<number>();
     // 2. Use stack push calls to add some items to the stack
     // 3. pop a few items off the stack
     // 4. write assertions via the expect() API