Metaprogramming in Ruby: Advanced Level

This page summarizes the projects mentioned and recommended in the original post on dev.to

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  1. Devise

    Flexible authentication solution for Rails with Warden.

    devise: An authentication library designed for Rails

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  3. factory_bot

    A library for setting up Ruby objects as test data.

    factory_bot: A fixtures replacement

  4. rspec-core

    Discontinued RSpec runner and formatters

    That being said, the code and documentation for rspec is generally clear and descriptive, making it a fantastic repository for learning about metaprogramming techniques. In rspec-core/lib/rspec/core/dsl.rb, for example, the implementation is spelled out in code comments.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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Did you know that Ruby is
the 12th most popular programming language
based on number of references?