gistfile1.rb

# something like this

handle(status, body) do |handler|
  # handle Not Modified specially
  handler.304? do
  end

  # all (other) 200, 300 status codes
  handler.success? do
    # automatically gives a nice error if body does not parse as JSON
    handler.json do |body|
      # treat hash keys like array methods and automatically give nice error
      # if foo or foo.bar is not found
      body.foo.bar
    end
  end

  # all failure codes
  # if not specified, gives default exception
  handler.fail? do
  end

  handler.else do
    #anything not handled
  end
end