This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Enumerator::Lazy.filter (from ruby core) ### Implementation from Lazy --- filter() --- Like Enumerable#select, but chains operation to be lazy-evaluated. (This method is an alias for Enumerator::Lazy#select.) Like Enumerable#select, but chains operation to be lazy-evaluated.
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.