import curl
var curl = new Curl
-var mail_request = curl.mail_request
+var mail_request = new CurlMailRequest(curl)
# Networks
-var response = mail_request.set_outgoing_server("smtps://smtp.example.org:465", "user@example.org", "mypassword")
+var response: nullable CurlResponse = mail_request.set_outgoing_server("smtps://smtp.example.org:465", "user@example.org", "mypassword")
if response isa CurlResponseFailed then
print "Error code : {response.error_code}"
print "Error msg : {response.error_msg}"