Anonymous Class for quickly building Fake Objects

gistfile1.rb

# Anonymous Class for quickly building Fake Objects
# advantage over Struct: doesn't even need a single argument
# (Struct.new accepts 1+ arguments, this 0)

thing = Class.new do
  def name
    "helloooo!!"
  end
end.new # <-- immediately creating an instance of the anoymous class

p thing          # => #<#<Class:0x007fe66c05e178>:0x007fe66c05e0d8>
puts thing.name  # => helloooo!!