class Protocol::Rack::Body::Enumerable

def self.wrap(body, length = nil)

@parameter body [Object] The `rack` response body.
Wraps an array into a buffered body. 
def self.wrap(body, length = nil)
	if body.is_a?(Array)
		length ||= body.sum(&:bytesize)
		return self.new(body, length)
	else
		return self.new(body, length)
	end
end