writeScalar      5465 modules/core/src/persistence.cpp void writeScalar(FileStorage& fs, int value )
writeScalar      5468 modules/core/src/persistence.cpp void writeScalar(FileStorage& fs, float value )
writeScalar      5471 modules/core/src/persistence.cpp void writeScalar(FileStorage& fs, double value )
writeScalar      5474 modules/core/src/persistence.cpp void writeScalar(FileStorage& fs, const String& value )