Maps
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What is Maps?
Built-in associative data type mapping keys to values. Reference types created with make(map[KeyType]ValueType) or map literals. Keys must be comparable types. Support insertion, deletion, lookup operations. Check existence with comma ok idiom: value, ok := map[key].
Free resources to learn Maps
- Official docsMaps
- ArticleMastering Go Maps: Best Practices & Pro Tips
- ArticleUnderstanding HashMaps in DSA
More in stage 8: Maps
Maps: common questions
Can I learn Maps 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 Maps 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 Maps tutorial for beginners?
It is lesson 29 of 172 in the free Go roadmap, in stage 8, Maps. 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.