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Re-add value_type detection to distinguish string types (#3604)

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* Re-add value_type detection to is_constructible_string_type trait

* Add value_type detection to from_json for strings
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Florian Albrechtskirchinger authored and GitHub committed 2022-07-28 21:52:23 +02:00
1 parent a714381a5f
commit a87c1885cb
3 files changed
+10 -4
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include/nlohmann/detail/meta/type_traits.hpp
+4 -2
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@@ -363,8 +363,10 @@ struct is_constructible_string_type
#endif
static constexpr auto value =
is_constructible<laundered_type,
typename BasicJsonType::string_t>::value;
conjunction <
is_constructible<laundered_type, typename BasicJsonType::string_t>,
is_detected_exact<typename BasicJsonType::string_t::value_type,
value_type_t, laundered_type >>::value;
};
template<typename BasicJsonType, typename CompatibleArrayType, typename = void>