オブジェクト指向スクリプト言語 Ruby
Ruby 3.5.0-preview1 が公開されました。 Ruby 3.5では、Unicodeバージョンの15.1.0へのアップデートなど様々な改善が行われています。
module JSON - Documentation for Ruby 4.0
In addition to the JSON additions provided, you can craft JSON additions of your own, either for Ruby built-in classes or for user-defined classes. Here’s a user-defined class Foo:
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 …
class ERB - Documentation for Ruby 4.0
The Ruby Processing System RDoc, for example, has one that can be used elsewhere. Other popular template processors may found in the Template Engines page of the Ruby Toolbox.
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:
module FileUtils - Documentation for Ruby 4.0
perms (may be repeated, with separating commas) may be any combination of these letters: 'r': Read. 'w': Write. 'x': Execute (search, for a directory). 'X': Search (for a directories only; must …
Documentation for Ruby
Ruby 3.1 (End of Support 2025-04) Ruby 3.0 (End of Support 2024-04) Ruby 2.7 (End of Support 2023-04) Ruby 2.6 (End of Support 2022-04) Ruby 2.5 (End of Support 2021-04) Ruby 2.4 …
Official Ruby FAQ
Ruby is a simple and powerful object-oriented programming language, created by Yukihiro Matsumoto (who goes by the handle “Matz” in this document and on the mailing lists).
building_ruby - Documentation for Ruby 4.0
Miniruby is a version of Ruby which has no external dependencies and lacks certain features. It can be useful in Ruby development because it allows for faster build times.
Separation of positional and keyword arguments in Ruby 3.0
Dec 12, 2019 · In Ruby 2.6 and before, **{} is removed by the parser, and in Ruby 2.7 and above, it is treated the same as **empty_hash, allowing for an easy way to pass no keyword …