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Ruby Programming Language Ruby is A dynamic, open source programming language with a focus on simplicity and productivity It has an elegant syntax that is natural to read and easy to write Download Ruby or Read More
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
Documentation for Ruby 3. 4 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
Ruby 4. 0. 0 preview2 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
Ruby 3. 1. 7 Released - Ruby Programming Language Please see the GitHub releases for further details This version is a final release of Ruby 3 1 series We will not provide any further updates including security fixes for Ruby 3 1 series We recommend you to upgrade to Ruby 3 3 or 3 4 series Download https: cache ruby-lang org pub ruby 3 1 ruby-3 1 7 tar gz
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
class Hash - Documentation for Ruby 3. 2 self language = hash [:language] end end matz = Dev new (name: 'Matz', language: 'Ruby') matz # => #<Dev: @name="Matz", @language="Ruby"> Creating a Hash You can create a Hash object explicitly with: A hash literal You can convert certain objects to Hashes with: Method Hash You can create a Hash by calling method Hash new Create an empty Hash:
class Array - Documentation for Ruby 4. 0 A number of Ruby methods, both in the core and in the standard library, provide instance method to_a, which converts an object to an array ARGF#to_a Array#to_a Enumerable#to_a Hash#to_a MatchData#to_a NilClass#to_a OptionParser#to_a Range#to_a Set#to_a Struct#to_a Time#to_a Benchmark::Tms#to_a CSV::Table#to_a Enumerator::Lazy#to_a Gem::List#to_a
class String - Documentation for Ruby 4. 0 In the simplest case, the dumped string contains the original string, enclosed in double-quotes; this example is done in irb (interactive Ruby), which uses method ‘inspect` to render the results:
NEWS - Documentation for Ruby 3. 4 The string returned by Symbol#to_s now emits a deprecation warning when mutated, and will be frozen in a future version of Ruby These warnings can be enabled with -W:deprecated or by setting Warning[:deprecated] = true