geode/codegen/Broma/PEGTL-3.2.7/include/tao/pegtl/internal/apply0_single.hpp

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2022-07-30 12:24:03 -04:00
// Copyright (c) 2017-2022 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_PEGTL_INTERNAL_APPLY0_SINGLE_HPP
#define TAO_PEGTL_INTERNAL_APPLY0_SINGLE_HPP
#include "../config.hpp"
#include <type_traits>
namespace TAO_PEGTL_NAMESPACE::internal
{
template< typename Action >
struct apply0_single
{
template< typename... States >
[[nodiscard]] static auto match( States&&... st ) noexcept( noexcept( Action::apply0( st... ) ) )
-> std::enable_if_t< std::is_same_v< decltype( Action::apply0( st... ) ), void >, bool >
{
Action::apply0( st... );
return true;
}
template< typename... States >
[[nodiscard]] static auto match( States&&... st ) noexcept( noexcept( Action::apply0( st... ) ) )
-> std::enable_if_t< std::is_same_v< decltype( Action::apply0( st... ) ), bool >, bool >
{
return Action::apply0( st... );
}
};
} // namespace TAO_PEGTL_NAMESPACE::internal
#endif