This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Array.+ (from ruby core) --- array + other_array -> new_array --- Returns a new Array containing all elements of `array` followed by all elements of `other_array`: a = [0, 1] + [2, 3] a # => [0, 1, 2, 3] Related: #concat.
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.