| ⇢ | A | SignupService::setLogin() added | |
| ⇢ | A | SignupService::setPassword() added | |
| ⇢ | A | SignupForm::fillLogin() added | |
| ⇢ | A | SignupForm::signup() added | |
| ⇢ | A | SignupForm::fillPassword() added | |
| A | ↘ | B | CreateCommand::execute() got worse |
| B | ↗ | A | SignupController::signup() improved |