Tag

#interfaces 2 posts

Why Go has no inheritancerebuilding OOP with embedding and interfaces

Go has no classes and no inheritance, yet it's hard to call it non-object-oriented. The official FAQ answers "Is Go an object-oriented language?" with "Yes and no." This post explains why by following what Go put where inheritance used to be.

Aug 13, 2026

Go · Concepts

The Go Interface nil TrapWhy err != nil Is True

You return a nil pointer and err != nil comes out true, because an interface value has two slots: a type and the data. From that two-slot layout to method sets, where interfaces should live, and the cost of dynamic dispatch.

Aug 11, 2026