This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# MatchData.pre_match (from ruby core) --- mtch.pre_match -> str --- Returns the portion of the original string before the current match. Equivalent to the special variable `$``. m = /(.)(.)(\d+)(\d)/.match("THX1138.") m.pre_match #=> "T"
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.