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#ifndef DataFormats_Common_interface_Uninitialized_h
#define DataFormats_Common_interface_Uninitialized_h
/* Uninitialized
*
* This is an empty struct used as a tag to signal that a constructor will leave an object (partially) uninitialised,
* with the assumption that it will be overwritten before being used.
* One expected use case is to replace the default constructor used when deserialising objects from a ROOT file.
*/
namespace edm {
struct Uninitialized {};
constexpr inline Uninitialized kUninitialized;
} // namespace edm
#endif // DataFormats_Common_interface_Uninitialized_h
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