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Contents
// Copyright (c) 2019-2020 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_JSON_PEGTL_INTERNAL_HAS_MATCH_HPP
#define TAO_JSON_PEGTL_INTERNAL_HAS_MATCH_HPP
#include <type_traits>
#include <utility>
#include "../apply_mode.hpp"
#include "../config.hpp"
#include "../rewind_mode.hpp"
namespace TAO_JSON_PEGTL_NAMESPACE::internal
{
template< typename,
typename Rule,
apply_mode A,
rewind_mode M,
template< typename... >
class Action,
template< typename... >
class Control,
typename Input,
typename... States >
struct has_match
: std::false_type
{};
template< typename Rule,
apply_mode A,
rewind_mode M,
template< typename... >
class Action,
template< typename... >
class Control,
typename Input,
typename... States >
struct has_match< decltype( (void)Action< Rule >::template match< Rule, A, M, Action, Control >( std::declval< Input& >(), std::declval< States&& >()... ), void() ), Rule, A, M, Action, Control, Input, States... >
: std::true_type
{};
template< typename Rule,
apply_mode A,
rewind_mode M,
template< typename... >
class Action,
template< typename... >
class Control,
typename Input,
typename... States >
inline constexpr bool has_match_v = has_match< void, Rule, A, M, Action, Control, Input, States... >::value;
} // namespace TAO_JSON_PEGTL_NAMESPACE::internal
#endif
Version data entries
24 entries across 24 versions & 1 rubygems