This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# IO.fileno (from ruby core) --- fileno -> integer --- Returns the integer file descriptor for the stream: $stdin.fileno # => 0 $stdout.fileno # => 1 $stderr.fileno # => 2 File.open('t.txt').fileno # => 10 IO#to_i is an alias for IO#fileno.
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.