Linux Manuals · Linux Manuals session 3 QuantLib_Null (3) Linux Manual Page ByLinux Manual Posted onApr 20, 2026 QuantLib::Null – template class providing a null value for a given type. Synopsis#include <ql/utilities/null.hpp> Public Member Functionsoperator Type () const Detailed Descriptiontemplate<class Type> class QuantLib::Null< Type >template class providing a null value for a given type. AuthorGenerated automatically by Doxygen for QuantLib from the source code.