Syntax
user = { name: "Ada", active: true }
puts user[:name]Examples
Ruby hash literals example
A focused example you can adapt while practising.
user = { name: "Ada", active: true }
puts user[:name]Best practices
- Start with the smallest working example, then adapt it to your project.
- Use the language’s standard library and idioms before introducing extra dependencies.
At a glance
- Purpose
- Expressive scripting and applications
- File extension
- .rb
- Runs in
- Ruby interpreter
- Usually used with
- Ruby standard library and gems
Specifications & further reading
Related Ruby documentation
Ruby Arrays & Hashes
Arrays are ordered collections written with square brackets. Hashes store key-value pairs and are commonly written with symbol keys such as :name.Ruby array indexing
Ruby reference for ruby array indexing.Ruby array mutation
Ruby reference for ruby array mutation.Ruby Hash#fetch
Ruby reference for ruby hash#fetch.
Arrays are ordered collections written with square brackets. Hashes store key-value pairs and are commonly written with symbol keys such as :name.Ruby array indexing
Ruby reference for ruby array indexing.Ruby array mutation
Ruby reference for ruby array mutation.Ruby Hash#fetch
Ruby reference for ruby hash#fetch.