Decorator pattern

Though it is easier to write quality Go code--than quality Java code--without an understanding of the GOF design patterns, it doesn't mean that we, as Go developers, cannot benefit from GOF's insight.

We'll soon see how we can put the Decorator pattern to good use in Go.

Type hierarchy UML

This is the type hierarchy UML that we might have created while designing the Decorator pattern back in the day that we used object-oriented languages:

This is the design work needed to represent the same Decorator pattern using Go:

"Less is exponentially more"

- Rob Pike

 

How Procedural design...