Generics

Lesson in the Go Roadmap · Stage 18: Generics

Last updated 14 September 2026

What is Generics?

Introduced in Go 1.18, allow functions and types to work with different data types while maintaining type safety. Enable reusable code without sacrificing performance. Use type parameters (square brackets) and constraints. Reduce code duplication while preserving strong typing.

Study this in the interactive course See the whole Go roadmap

Free resources to learn Generics

Official docsGeneric Functions
ArticleUnderstanding Generics

Generics: common questions

Can I learn Generics in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Generics in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Generics tutorial for beginners?

It is lesson 63 of 172 in the free Go roadmap, in stage 18, Generics. If you are new to Go, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.