This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# IPAddr.ipv4_mapped (from ruby core) --- ipv4_mapped() --- Returns a new ipaddr built by converting the native IPv4 address into an IPv4-mapped IPv6 address.
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.