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Contents
// 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_APPLY_SINGLE_HPP
#define TAO_PEGTL_INTERNAL_APPLY_SINGLE_HPP
#include "../config.hpp"
#include <type_traits>
namespace TAO_PEGTL_NAMESPACE::internal
{
template< typename Action >
struct apply_single
{
template< typename ActionInput, typename... States >
[[nodiscard]] static auto match( const ActionInput& in, States&&... st ) noexcept( noexcept( Action::apply( in, st... ) ) )
-> std::enable_if_t< std::is_same_v< decltype( Action::apply( in, st... ) ), void >, bool >
{
Action::apply( in, st... );
return true;
}
template< typename ActionInput, typename... States >
[[nodiscard]] static auto match( const ActionInput& in, States&&... st ) noexcept( noexcept( Action::apply( in, st... ) ) )
-> std::enable_if_t< std::is_same_v< decltype( Action::apply( in, st... ) ), bool >, bool >
{
return Action::apply( in, st... );
}
};
} // namespace TAO_PEGTL_NAMESPACE::internal
#endif
Version data entries
13 entries across 13 versions & 1 rubygems