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#ifndef SHARE_METAPROGRAMMING_DEPENDENTALWAYSFALSE_HPP
#define SHARE_METAPROGRAMMING_DEPENDENTALWAYSFALSE_HPP

// This provides a workaround for static_assert(false) in discarded or
// otherwise uninstantiated places.  Instead use
//   static_assert(DependentAlwaysFalse<T>, "...")
// See http://wg21.link/p2593r1. Some, but not all, compiler versions we're
// using have implemented that change as a DR:
// https://cplusplus.github.io/CWG/issues/2518.html
template<typename T> inline constexpr bool DependentAlwaysFalse = false;

#endif // SHARE_METAPROGRAMMING_DEPENDENTALWAYSFALSE_HPP