This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.


        # FloatDomainError < RangeError

(from ruby core)
Raised when attempting to convert special float values (in particular
`Infinity` or `NaN`) to numerical classes which don't support them.

    Float::INFINITY.to_r   #=> FloatDomainError: Infinity


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.