diff options
Diffstat (limited to 'sales_data.hpp')
| -rw-r--r-- | sales_data.hpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sales_data.hpp b/sales_data.hpp index cce4469..31929af 100644 --- a/sales_data.hpp +++ b/sales_data.hpp @@ -2,9 +2,15 @@ #define SALES_DATA_H #include <string> struct SalesData { + std::string isbn() const { return BookNo; } + SalesData &combine(const SalesData); + double avg_price() const; std::string BookNo; unsigned int UnitsSold = 0; double Revenue = 0.0; }; +SalesData add(const SalesData&, const SalesData&); +std::ostream &print(std::ostream&, const SalesData&); +std::istream &read(std::istream&, SalesData&); #endif |