index - 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 …
Ruby 3.4.0 Released - Ruby Programming Language
Dec 25, 2024 · 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 …
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.
Ruby Releases
Mar 3, 2010 · This is a list of Ruby releases. The shown dates correspond to the publication dates of the English versions of release posts and may differ from the actual creation dates of the …
exceptions - Documentation for Ruby 4.0
Ruby code can raise exceptions. Most often, a raised exception is meant to alert the running program that an unusual (i.e., exceptional) situation has arisen, and may need to be handled.
strftime_formatting - Documentation for Ruby 3.5
Formats for Dates and Times Several Ruby time-related classes have instance method strftime, which returns a formatted string representing all or part of a date or time: Date#strftime. …
class Hash - Documentation for Ruby 3.5
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 …
pattern_matching - Documentation for Ruby 4.0
For this case, the pin operator ^ can be used, to tell Ruby “just use this value as part of the pattern”: expectation = 18 case [1, 2] in ^expectation, *rest "matched. expectation was: …
class Set - Documentation for Ruby 4.0
All rights reserved. You can redistribute and/or modify it under the same terms as Ruby. The Set class implements a collection of unordered values with no duplicates. It is a hybrid of Array’s …
class Hash - Documentation for Ruby 2.0.0
books [: matz] = "The Ruby Language" books [: black] = "The Well-Grounded Rubyist" Hashes are also commonly used as a way to have named parameters in functions.