This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Ractor::MovedError < Ractor::Error (from ruby core) --- Raised on an attempt to access an object which was moved in Ractor#send or Ractor.yield. r = Ractor.new { sleep } ary = [1, 2, 3] r.send(ary, move: true) ary.inspect # Ractor::MovedError (can not send any methods to a moved object) ---
This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.