exercise #2

Exercises/1-seq.js

@@ -1,5 +1,7 @@
 'use strict';
 
-const seq = f => g => x => 0;
+//const seq = f => g => x => 0;
+
+const seq = f => g => (typeof g === 'number' ? f(g) : seq(x => f(g(x))));
 
 module.exports = { seq };

Exercises/2-array.js

@@ -1,5 +1,6 @@
 'use strict';
 
-const array = () => null;
+const array = (a = [], f) =>
+  (f = i => a[i], f.push = s => a.push(s), f.pop = () => a.pop(), f);
 
 module.exports = { array };

Exercises/2-array.test

@@ -1,6 +1,6 @@
 ({
   name: 'array',
-  length: [100, 200],
+  length: [80, 200],
   test: array => {
     {
       const arr = array();