Products OR-Tools Reference C++ Reference: checker This documentation is automatically generated. Function Type Arguments Comments CheckSolutionReturn type: bool Arguments: const Model& model, const std::function<int64(IntegerVariable*)>& evaluator Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated March 26, 2019.