Function AddValidationAction

gcore/gdalalgorithm_cpp.h:3126–3129

Register an action that is executed by the ValidateArguments() * method. If the provided function returns false, validation fails. * Such validation function should typically be used to ensure * cross-argument validation. For validation of individual arguments, * GDALAlgorithmArg::AddValidationAction should rather be called. */

     * GDALAlgorithmArg::AddValidationAction should rather be called.
     */
    void AddValidationAction(std::function<bool()> f)
    {
        m_validationActions.push_back(f);
    }

    /** Add KEY=VALUE suggestion from open, creation options */
    static bool AddOptionsSuggestions(const char *pszXML, int datasetType,