/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.29/CxxUtils/CxxUtils/enable_if.h File Reference

C++98 definition of enable_if. More...

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Classes

struct  CxxUtils::enable_if< bool, _Tp >
 Define a member typedef type only if a boolean constant is true. More...
struct  CxxUtils::enable_if< true, _Tp >

Namespaces

namespace  CxxUtils
 

Copy the elements of a sequence for which a predicate is true.



Detailed Description

C++98 definition of enable_if.

Author:
scott snyder <snyder@bnl.gov>
Date:
Jul, 2014 This header defines CxxUtils::enable_if that can be used in both c++98 and c++11; the standard library version is used if it's available.

For the c++98 case, we can't just import enable_if from boost, since std::enable_if actually corresponds to boost::enable_if_c. The definition of enable_if is simple enough that we just copy it here.

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