This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# BigDecimal.+@ (from ruby core) --- +big_decimal -> self --- Returns `self`: +BigDecimal(5) # => 0.5e1 +BigDecimal(-5) # => -0.5e1
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.