class OptionParser: tutorial. rdoc].| docs.ruby-lang.org
class Range: A \Range object represents a collection of values that are between given begin and end values. literals.| docs.ruby-lang.org
class Encoding: An \Encoding instance represents a character encoding usable in Ruby. It is defined as a constant under the \Encoding namespace.| docs.ruby-lang.org
literals: Literals Literals create objects you can use in your program. Backtick Literals}[#label-25x-3A+Backtick+Literals] == Boolean and Nil Literals +nil+| docs.ruby-lang.org
class Array: en. wikipedia.| docs.ruby-lang.org
implicit_conversion: i>, and so accepted as is. i>, in which case the called method converts the object.| docs.ruby-lang.org
module Marshal: The marshaling library converts collections of Ruby objects into a byte stream, allowing them to be stored outside the currently active script. This d| docs.ruby-lang.org
class Symbol: A +Symbol+ object represents a named identifier inside the Ruby interpreter. literals.| docs.ruby-lang.org
class String: A +String+ object has an arbitrary sequence of bytes, typically representing text or binary data. new or as literals.| docs.ruby-lang.org
class Regexp: en. wikipedia.| docs.ruby-lang.org
class Object: Object is the default root of all Ruby objects. Object inherits from BasicObject which allows creating alternate object hierarchies.| docs.ruby-lang.org
class Hash: A +Hash+ maps each of its unique keys to a specific value. An Array index is always an Integer.| docs.ruby-lang.org
module Kernel: The Kernel module is included by class Object, so its methods are available in every Ruby object. The Kernel instance methods are documented in class| docs.ruby-lang.org
ractor: Ractor - Ruby's Actor-like concurrent abstraction Ractor is designed to provide a parallel execution feature of Ruby without thread-safety concerns.| docs.ruby-lang.org