Add an attribute with the specified name, the value of the specified object, using the specified formattingMode. Note that the last argument is used for overloading purposes only.
Declared in <balxml_encoder.h>
template<class TYPE>
int
addAttributeImp(
TYPE const& object,
std::string_view const& name,
int formattingMode,
bdlat_TypeCategory::NullableValue);