# File lib/faraday/connection.rb, line 215 def run_request(method, url, body, headers) if !METHODS.include?(method) raise ArgumentError, "unknown http method: #{method}" end request = build_request(method) do |req| req.url(url) if url req.headers.update(headers) if headers req.body = body if body yield req if block_given? end env = request.to_env(self) self.app.call(env) end