This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Time.thursday? (from ruby core) --- time.thursday? -> true or false --- Returns `true` if *time* represents Thursday. t = Time.local(1995, 12, 21) #=> 1995-12-21 00:00:00 -0600 t.thursday? #=> true
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.