---
layout: page
published: true
noToc: true
noComments: false
noDate: false
title: Fun - maps.fun — overview
subtitle: Working with maps, construction, lookup/update, merging, iteration, and common patterns.
description: Working with maps, construction, lookup/update, merging, iteration, and common patterns.
permalink: /documentation/examples/maps/
lang: en
tags:
- documentation
- handbook
- installation
- usage
- introduction
- help
- guide
- howto
- docs
- specifications
- specs
- repl
---

# maps.fun — overview

What it shows
- Working with maps: creation, indexing, iteration, and typical idioms.

How to run
- export FUN_LIB_DIR="./lib"
- ./build_debug/fun examples/maps.fun
- Or: fun examples/maps.fun