# File lib/faraday/adapter/em_http.rb, line 56 def perform_single_request(env) req = EventMachine::HttpRequest.new(env[:url], connection_config(env)) req.setup_request(env[:method], request_config(env)).callback { |client| save_response(env, client.response_header.status, client.response) do |resp_headers| client.response_header.each do |name, value| resp_headers[name.to_sym] = value end end } end