This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Numeric.round (from ruby core) --- round(digits = 0) -> integer or float --- Returns `self` rounded to the nearest value with a precision of `digits` decimal digits. Numeric implements this by converting `self` to a Float and invoking Float#round.
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.