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// Copyright (c) 2017 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAOCPP_PEGTL_INCLUDE_INTERNAL_HAS_APPLY0_HPP
#define TAOCPP_PEGTL_INCLUDE_INTERNAL_HAS_APPLY0_HPP
#include <type_traits>
#include "../config.hpp"
namespace tao
{
namespace TAOCPP_PEGTL_NAMESPACE
{
namespace internal
{
template< typename... S >
struct type_list
{
};
template< typename A, typename L, typename = void >
struct has_apply0 : std::false_type
{
};
template< typename A, typename... S >
struct has_apply0< A, type_list< S... >, decltype( A::apply0( std::declval< S >()... ), void() ) > : std::true_type
{
};
} // namespace internal
} // namespace TAOCPP_PEGTL_NAMESPACE
} // namespace tao
#endif
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