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Contents
// Copyright (c) 2014-2020 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_JSON_PEGTL_INTERNAL_AT_HPP
#define TAO_JSON_PEGTL_INTERNAL_AT_HPP
#include "../config.hpp"
#include "skip_control.hpp"
#include "trivial.hpp"
#include "../apply_mode.hpp"
#include "../rewind_mode.hpp"
#include "../analysis/generic.hpp"
namespace TAO_JSON_PEGTL_NAMESPACE::internal
{
template< typename... Rules >
struct at;
template<>
struct at<>
: trivial< true >
{
};
template< typename... Rules >
struct at
{
using analyze_t = analysis::generic< analysis::rule_type::opt, Rules... >;
template< apply_mode,
rewind_mode,
template< typename... >
class Action,
template< typename... >
class Control,
typename Input,
typename... States >
[[nodiscard]] static bool match( Input& in, States&&... st )
{
const auto m = in.template mark< rewind_mode::required >();
return ( Control< Rules >::template match< apply_mode::nothing, rewind_mode::active, Action, Control >( in, st... ) && ... );
}
};
template< typename... Rules >
inline constexpr bool skip_control< at< Rules... > > = true;
} // namespace TAO_JSON_PEGTL_NAMESPACE::internal
#endif
Version data entries
24 entries across 24 versions & 1 rubygems