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 )