Go maps in action
Official guide to map declaration, initialization, zero values, nested use, and iteration semantics.
Official guide to map declaration, initialization, zero values, nested use, and iteration semantics.
- Author: Andrew Gerrand
- Authority: primary
- Kind: blog
- URL: https://go.dev/blog/maps
What it covers
- map declaration and initialization
- nil map behavior
- iteration and practical usage patterns
Why authoritative
Official Go blog guidance on how maps are intended to be used.
Use when
- how should I use maps in Go
- what are the semantics of nil maps in Go
- can I rely on Go map iteration order
Keywords
- maps, hash table, nil map, iteration order, map usage