comments: inline and block. code>.| docs.ruby-lang.org
class Thread: Threads are the Ruby implementation for a concurrent programming model. Programs that require multiple threads of execution are a perfect candidate fo| docs.ruby-lang.org
module Kernel: The Kernel module is included by class Object, so its methods are available in every Ruby object. The Kernel instance methods are documented in class| docs.ruby-lang.org
ractor: Ractor - Ruby's Actor-like concurrent abstraction Ractor is designed to provide a parallel execution feature of Ruby without thread-safety concerns.| docs.ruby-lang.org
class Ractor: Ractor is an Actor-model abstraction for Ruby that provides thread-safe parallel execution. Ractor.| docs.ruby-lang.org