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refactor is_compatible_array_type

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Théo DELRIEU 2018-09-05 16:49:27 +02:00
parent 924e95c6e8
commit 13760857ff
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2 changed files with 34 additions and 22 deletions
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28
include/nlohmann/detail/meta/type_traits.hpp
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@ -117,20 +117,26 @@ struct is_basic_json_nested_type
std::is_same<T, typename BasicJsonType::const_reverse_iterator>::value;
};
template<class BasicJsonType, class CompatibleArrayType>
struct is_compatible_array_type
template <typename BasicJsonType, typename CompatibleArrayType, typename = void>
struct is_compatible_array_type_impl : std::false_type {};
template <typename BasicJsonType, typename CompatibleArrayType>
struct is_compatible_array_type_impl <
BasicJsonType, CompatibleArrayType,
enable_if_t<is_detected<value_type_t, CompatibleArrayType>::value and
is_detected<iterator_t, CompatibleArrayType>::value >>
{
static auto constexpr value =
conjunction<negation<std::is_same<void, CompatibleArrayType>>,
negation<is_compatible_object_type<
BasicJsonType, CompatibleArrayType>>,
negation<std::is_constructible<typename BasicJsonType::string_t,
CompatibleArrayType>>,
negation<is_basic_json_nested_type<BasicJsonType, CompatibleArrayType>>,
is_detected<value_type_t, CompatibleArrayType>,
is_detected<iterator_t, CompatibleArrayType>>::value;
static constexpr auto value = not(
is_compatible_object_type<BasicJsonType, CompatibleArrayType>::value or
std::is_constructible<typename BasicJsonType::string_t,
CompatibleArrayType>::value or
is_basic_json_nested_type<BasicJsonType, CompatibleArrayType>::value);
};
template <typename BasicJsonType, typename CompatibleArrayType>
struct is_compatible_array_type
: is_compatible_array_type_impl<BasicJsonType, CompatibleArrayType> {};
template<bool, typename, typename>
struct is_compatible_integer_type_impl : std::false_type {};