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Ruby case and when

Ruby reference for ruby case and when.

Syntax

case role
when :admin then puts "Manage"
when :member then puts "Read"
else puts "Guest"
end

Examples

Ruby case and when example

A focused example you can adapt while practising.

case role
when :admin then puts "Manage"
when :member then puts "Read"
else puts "Guest"
end

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