File indexing completed on 2023-03-17 11:16:52
0001 #ifndef PhysicsTools_Utilities_DecomposeProduct_h
0002 #define PhysicsTools_Utilities_DecomposeProduct_h
0003 #include "PhysicsTools/Utilities/interface/Product.h"
0004
0005 namespace funct {
0006
0007 template <typename A, typename B>
0008 struct DecomposeProduct {};
0009
0010 template <typename A>
0011 struct DecomposeProduct<A, A> {
0012 inline static const A& get(const A& a) { return a; }
0013 };
0014
0015 template <typename A, typename B>
0016 struct DecomposeProduct<ProductStruct<A, B>, A> {
0017 inline static const A& get(const ProductStruct<A, B>& _) { return _._1; }
0018 };
0019
0020 template <typename A, typename B>
0021 struct DecomposeProduct<ProductStruct<A, B>, B> {
0022 inline static const B& get(const ProductStruct<A, B>& _) { return _._2; }
0023 };
0024
0025 }
0026
0027 #endif
