Gabriele Cosmo
41 lines
2.0 KiB
C++
41 lines
2.0 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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#ifndef CompileTimeConstraints_hh
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#define CompileTimeConstraints_hh
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namespace CompileTimeConstraints
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{
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template <class Base> char InheritsFrom(Base *);
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template <class Derived> Derived* DerivedPointer();
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template < class A, class B > struct IsA
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{
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public:
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enum { ok=(sizeof(InheritsFrom<B>(DerivedPointer<A>())) ) };
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};
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}
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#endif
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