Getting started new to ruby Ruby’s grammar differentiates between statements and expressions Start with our getting started guide
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Core classes and modules explore the essential classes and modules
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. Nearly all of these libraries are released in the form of a gem, a packaged library or application that can be installed with a tool called rubygems. Ruby 3.3.8 released posted by nagachika on 9 apr 2025 ruby 3.3.8 has been released Please see the for further details
Class \struct provides a convenient way to create a simple class that can store and fetch values The first argument, a string, is the name of th Operators in ruby, operators such as +, are defined as methods on the class Literals define their methods within the lower level, c language
Ruby objects can define or overload their own implementation for most operators
Class foo < string def + (str) self If you have found an issue that affects a specific ruby community’s gem, follow the instructions on rubygems.org 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.
Language = hash [:language] end end matz = dev 'ruby') matz # => #<dev @name=matz, @language=ruby> creating a hash you can create a hash object explicitly with You can convert certain objects to hashes with
You can create a hash by calling method hash.new:
