1hr 15m - Functional programming is not a new concept, but in the past few years, it has seen a sharp growth in usage and general interest. However, it's not always clear why anyone should be interested in functional programming. In this course, Functional Programming: The Big Picture, you'll learn about what functional programming is, in a language agnostic way, and why functional programming matters. First, you'll explore basic concepts such as pure functions and why they matter. Next, you'll discover how immutable data, a key aspect of functional programming, helps reduce bugs. Finally, you'll learn about some larger applications where functional programming excels. When you're finished with this course, you'll have a better understanding of what functional programming is, how functional programming is different, and why you should care about functional programming.