choose.h

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#ifndef CORE_CHOOSE_H
#define CORE_CHOOSE_H

namespace TypeHelpers {

// TODO: write documentation & usage

template <bool flag, class typeTrue, class typeFalse>
struct choose;

template <class typeTrue, class typeFalse>
struct choose<true, typeTrue, typeFalse> {
   typedef typeTrue type;
};

template <class typeTrue, class typeFalse>
struct choose<false, typeTrue, typeFalse> {
   typedef typeFalse type;
};

}//end namespace TypeHelpers

#endif