&& !psi_impl_get_temp_let_arg(scope->impl, func->var)) {
data->error(data, func->var->token, PSI_WARNING,
"Unknown variable '%s' in implementation %s",
&& !psi_impl_get_temp_let_arg(scope->impl, func->var)) {
data->error(data, func->var->token, PSI_WARNING,
"Unknown variable '%s' in implementation %s",