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index - Documentation for Ruby 4. 0 Ruby Documentation Welcome to the official Ruby programming language documentation Getting Started New to Ruby? Start with our Getting Started Guide Core Classes and Modules Explore the essential classes and modules: String - Text manipulation and string utilities Symbol - Named identifiers inside the Ruby interpreter
Official Ruby FAQ Ruby is a simple and powerful object-oriented programming language, created by Yukihiro Matsumoto (who goes by the handle “Matz” in this document and on the mailing lists)
class Regexp - Documentation for Ruby 4. 0 Identical regexp can or cannot run in linear time depending on your ruby binary Neither forward nor backward compatibility is guaranteed about the return value of this method
operators - Documentation for Ruby 4. 0 Operators In Ruby, operators such as +, are defined as methods on the class Literals define their methods within the lower level, C language String class, for example Ruby objects can define or overload their own implementation for most operators Here is an example:
User Groups - Ruby Programming Language Ruby user groups are entirely devoted to Ruby They typically feature monthly meetings, a mailing list, a website, and if you’re lucky, frequent hacking sessions (meetings devoted to giving people a chance to write Ruby code)
Ruby 3. 2. 0 Released - Ruby Programming Language Ruby was first developed by Matz (Yukihiro Matsumoto) in 1993, and is now developed as Open Source It runs on multiple platforms and is used all over the world especially for web development
class Hash - Documentation for Ruby 4. 0 person = {name: 'Matz', language: 'Ruby'} person # => {name: "Matz", language: "Ruby"} You can use a hash to give names to method arguments:
control_expressions - Documentation for Ruby 4. 0 Ruby’s grammar differentiates between statements and expressions All expressions are statements (an expression is a type of statement), but not all statements are expressions
literals - Documentation for Ruby 4. 0 Symbol Literals A Symbol represents a name inside the ruby interpreter See Symbol for more details on what symbols are and when ruby creates them internally You may reference a symbol using a colon: :my_symbol You may also create symbols by interpolation and escape sequences described in Escape Sequences with double-quotes:
control_expressions - Documentation for Ruby 3. 4 Ruby’s grammar differentiates between statements and expressions All expressions are statements (an expression is a type of statement), but not all statements are expressions