This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# BigDecimal.% (from ruby core) --- a % b a.modulo(b) --- Returns the modulus from dividing by b. See BigDecimal#divmod.
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.