Home Today we’re going to step through one of my favorite exercises in composing functions - building and operating on infinite streams of data. The question we’ll be answering is: How might you represent the following operations? nums // => 1, 2, 3, 4, ... double(nums) // => 2, 4, 6, 8, ... fib // => 0, 1, 1, 2, 3, 5, 8, ... This post contains code written in JavaScript, but the ideas here apply to any language with functions and lists. 🔗 The Finite We can build a finite list in JavaScript ...