Learning Functional Programming in Go

Preface

Until recently, the message has been Go and functional programming—don't do it.

Functional programming (FP) is a perfect fit for multicore, parallel processing. Go is a concurrency baller (with Goroutines, channels, and so on) and already runs on every available CPU core. FP reduces complexity; simplicity is one of Go's biggest strengths. 

So, what can FP bring to Go that will actually improve our software applications? Here's what it offers:

• Composition: FP shows us how to decompose our apps and rebuild them by reusing small building blocks.
• Monads: Using monads, we are able to safely order our workflows into pipelines of data transformations.
• Error handling: We can leverage monadic error handling and still maintain compatibility ...