Most examples are new, "from the wild," with more recent libraries. The second part of the book is about ActiveRecord, which is a core Ruby system that makes heavy use of metaprogramming. The result, whether you like the style or not, is a book that teaches problem solving “the Ruby way” while explaining the Ruby notion of metaprogramming in a clear manner. This makes Metaprogramming Ruby an ideal book to read when diving into both the decision making process and the coding process rather than just finished samples of code. In this book, I’ll stick to a different meaning of metaprogram-ming, focusing on code that manipulates itself at runtime. Add more powerful abstractions and reduce duplication through Ruby that writes Ruby! Here is an excerpt from the book Metaprogramming Ruby: That’s really what class methods are: they’re Singleton Methods of a class. Singleton methods in Ruby can behave like class methods, but they're singleton methods are just regular instance methods that are defined in the singleton class. 01. by . Method Missing 02. Being Meta Dynamic Methods 00. Different open classes, quizzes, and exercises have made the book a unique one. Metaprogramming Ruby. to create dynamic methods; Ola Bini's blogs on Meta programming; The Ruby Language FAQ Metaprogramming Ruby 2 Program Like the Ruby Pros Ruby inherits characteristics from various languages—Lisp, Smalltalk, C, and Perl, to name a few. In those days, different topics are discussed, like dynamic methods. Spell Book The excerpt from Metaprogramming Ruby. Metaprogramming Ruby is the book where different topics are named with the name of days. There are a lot of quizzes in the book that includes the quiz of methods, attributes, etc. Srushti. You can think of this as dynamic metaprogramming to distinguish it from the static metaprogramming of code gener-ators and compilers. Start Course. Introspection This completely revised new edition covers the new features in Ruby 2.0 and 2.1, and contains code from the latest Ruby libraries, including Rails 4. For free! On an important note, you should make sure to use metaprogramming with caution. Code that writes code. This gives it more flexibility and is considered one of the most critical aspects to implementing metaprogramming in Ruby. Interesting Articles. Introduction 01. Thursday is also about Class and how the type system works in Ruby. Friday is hardcore metaprogramming as we finally get to code that writes code - scary stuff made to seem very reasonable. Sidu Ponnappa. Thursday is also about Class and how the type system works in Ruby. Using methodmissing and respondto? And the book reflects current ideas of when and how much metaprogramming you should use. Drawbacks to Metaprogramming. Ruby Metaprogramming Study Note Try to hack the Sample Apps! 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