This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Exception.set_backtrace (from ruby core) --- exc.set_backtrace(backtrace) -> array --- Sets the backtrace information associated with `exc`. The `backtrace` must be an array of String objects or a single String in the format described in Exception#backtrace.
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.