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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
- 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
- Misc #21657: Question: Is Ruby 4. 0 planned for December 2025 or later . . .
It seems like the next version of Ruby will be branded as 4 0, but that is completely a decision for @matz (Yukihiro Matsumoto) to make as he wishes Ruby version numbers don't follow semantic versioning, so 4 0 doesn't mean that there will be breaking changes
- 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
- NEWS - Documentation for Ruby 3. 4
To enable this feature, configure Ruby with --with-modular-gc at build time GC libraries can be loaded at runtime using the environment variable RUBY_GC_LIBRARY
- 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:
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