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⚗️ add fix for Clang 3.5

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Niels Lohmann 2021-07-22 14:21:43 +02:00
parent 3212700eb0
commit 86dd66508d
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GPG Key ID: 7F3CEA63AE251B69
2 changed files with 12 additions and 2 deletions
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7
include/nlohmann/detail/meta/type_traits.hpp
View File

@ -450,13 +450,18 @@ decltype(ComparatorType()(std::declval<ObjectKeyType const&>(), std::declval<Key
static constexpr bool value = true;
};
template<typename BasicJsonType>
class iter_impl;
template<typename BasicJsonType, typename KeyType>
struct is_usable_as_key_type
{
static constexpr bool value =
is_key_type_comparable<typename BasicJsonType::object_comparator_t, typename BasicJsonType::object_t::key_type, KeyType>::value &&
!std::is_same<KeyType, typename BasicJsonType::iterator>::value &&
!std::is_same<KeyType, typename BasicJsonType::const_iterator>::value;
!std::is_same<KeyType, typename BasicJsonType::const_iterator>::value &&
// for Clang 3.5
!std::is_same<KeyType, detail::iter_impl<typename std::remove_const<BasicJsonType>::type>>::value;
};
} // namespace detail

7
single_include/nlohmann/json.hpp
View File

@ -3847,13 +3847,18 @@ decltype(ComparatorType()(std::declval<ObjectKeyType const&>(), std::declval<Key
static constexpr bool value = true;
};
template<typename BasicJsonType>
class iter_impl;
template<typename BasicJsonType, typename KeyType>
struct is_usable_as_key_type
{
static constexpr bool value =
is_key_type_comparable<typename BasicJsonType::object_comparator_t, typename BasicJsonType::object_t::key_type, KeyType>::value &&
!std::is_same<KeyType, typename BasicJsonType::iterator>::value &&
!std::is_same<KeyType, typename BasicJsonType::const_iterator>::value;
!std::is_same<KeyType, typename BasicJsonType::const_iterator>::value &&
// for Clang 3.5
!std::is_same<KeyType, detail::iter_impl<typename std::remove_const<BasicJsonType>::type>>::value;
};
} // namespace detail