Learning Functional Programming in Go

Hollywood principle

Actors suffer through crushing blows of humiliation in their quest to climb one step higher in the Hollywood hierarchy. Who determines whether an actor winds up as a stage hand or Brad Pitt? The casting director.

Actors audition for a part in a movie and are advised not to ask whether they got the part. The fact is that if the director wants you, he'll find you. That's the Hollywood principle of "Don't call us. We'll call you".

In traditional programming, the actor would audition and then ask the director if they got the part. That's not how the Hollywood Principle works.

What is required for this inversion of control?

We require an API that exposes public functions and a framework where dependent components are bound ...