Secrets to macros and c string concat at compile time

Joel Grunbaum

2022-01-20 128c6d51ec8c70e230dc86b100cb887ba3f0378d

 book.hpp

@@ -43,8 +43,8 @@
std::ostream& operator<<(std::ostream& out, const Level& a);

struct Book {
   std::unordered_map<std::string, Level> bidSide;
   std::unordered_map<std::string, Level> askSide;
   std::vector<Level> bidSide;
   std::vector<Level> askSide;
   ProductTypeEnum productType;
   std::string product;
   int stationId;