module Async::HTTP::Body::Reader

def save(path, mode = ::File::WRONLY, *args)

Write the body of the response to the given file path. 
def save(path, mode = ::File::WRONLY, *args)
	::File.open(path, mode, *args) do |file|
		self.each do |chunk|
			file.write(chunk)
		end
	end
end