This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# IO::Buffer.empty? (from ruby core) ### Implementation from Buffer --- external? -> true or false --- If the buffer is _external_, meaning it references from memory which is not allocated or mapped by the buffer itself. A buffer created using ::for has an external reference to the string's memory. External buffer can't be resized.
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.