Language reference / Ruby
Get AI-powered explanations for Ruby code. Understand metaprogramming, blocks, and Rails patterns.
01 Read a small example
Start with four numbers: −3, 0, 2 and 5. Keep each number greater than zero. The result contains 2 and 5, in the same order.
An authored Ruby teaching snippet. Paste it into the workspace and select Ruby to explore your own explanation.
numbers = [-3, 0, 2, 5]
positive = numbers.select { |number| number > 0 }Understand Ruby blocks
Debug ActiveRecord
Learn metaprogramming
Analyze Rails magic
Get instant explanations for common Ruby patterns and frameworks
Paste any Ruby code and get an instant, detailed explanation tailored to your experience level.
Explain Ruby Code Now