This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# MatchData.hash (from ruby core) --- mtch.hash -> integer --- Produce a hash based on the target string, regexp and matched positions of this matchdata. See also Object#hash.
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.