Control/AthenaKernel/AthenaKernel/ClassID_traits.h File Reference

a traits class that associates a CLID to a type T It also detects whether T inherits from Gaudi DataObject More...

#include "AthenaKernel/ClassName.h"
#include "GaudiKernel/ClassID.h"
#include <string>
#include <typeinfo>
#include <type_traits>
#include <concepts>

Include dependency graph for Control/AthenaKernel/AthenaKernel/ClassID_traits.h:

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Classes
class	ClassID_trait_dummy
class	ClassID_traits< T >
	Default, invalid implementation of ClassID_traits. More...
struct	ClassID_traits< T >

Macros
#define	MY_STATIC_ASSERT(B)   static_assert (B, "You should use the CLASS_DEF macro to define CLID and VERSION")
	internal use: issues a compilation error when condition B is false More...

Functions
template<typename T >
requires	requires ()
	This specialization is used for classes deriving from DataObject. More...

Detailed Description

a traits class that associates a CLID to a type T It also detects whether T inherits from Gaudi DataObject

Author

Paolo Calafiura pcala.nosp@m.fiur.nosp@m.a@lbl.nosp@m..gov - ATLAS Collaboration

Definition in file Control/AthenaKernel/AthenaKernel/ClassID_traits.h.

Macro Definition Documentation

MY_STATIC_ASSERT

#define MY_STATIC_ASSERT

(

B

)

static_assert (B, "You should use the CLASS_DEF macro to define CLID and VERSION")

internal use: issues a compilation error when condition B is false

Definition at line 25 of file Control/AthenaKernel/AthenaKernel/ClassID_traits.h.

Function Documentation

requires()

template<typename T >

requires requires

(

)

This specialization is used for classes deriving from DataObject.

To avoid having a compile-time dependency on DataObject, we enable this based on whether or not T::classID() is defined.

Definition at line 68 of file Control/AthenaKernel/AthenaKernel/ClassID_traits.h.

                     {
  { T::classID() } -> std::convertible_to<CLID>;
}