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Templatize basic_json ctor from json_ref

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This commit is contained in:
Artöm Bakri Al-Sarmini 2020-04-12 22:32:39 +03:00
parent 4396a68d2d
commit ec955f08b4
3 changed files with 34 additions and 8 deletions
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13
include/nlohmann/detail/meta/type_traits.hpp
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@ -41,6 +41,19 @@ template<typename> struct is_basic_json : std::false_type {};
NLOHMANN_BASIC_JSON_TPL_DECLARATION
struct is_basic_json<NLOHMANN_BASIC_JSON_TPL> : std::true_type {};
//////////////////////
// jspn_ref helpers //
//////////////////////
template <typename>
class json_ref;
template<typename>
struct is_json_ref : std::false_type {};
template <typename T>
struct is_json_ref<json_ref<T>> : std::true_type {};
//////////////////////////
// aliases for detected //
//////////////////////////

8
include/nlohmann/json.hpp
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@ -1773,10 +1773,10 @@ class basic_json
// other constructors and destructor //
///////////////////////////////////////
/// @private
basic_json(const detail::json_ref<basic_json>& ref)
: basic_json(ref.moved_or_copied())
{}
template <typename JsonRef,
detail::enable_if_t<detail::conjunction<detail::is_json_ref<JsonRef>,
std::is_same<typename JsonRef::value_type, basic_json>>::value, int> = 0 >
basic_json(const JsonRef& ref) : basic_json(ref.moved_or_copied()) {}
/*!
@brief copy constructor

21
single_include/nlohmann/json.hpp
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@ -2794,6 +2794,19 @@ template<typename> struct is_basic_json : std::false_type {};
NLOHMANN_BASIC_JSON_TPL_DECLARATION
struct is_basic_json<NLOHMANN_BASIC_JSON_TPL> : std::true_type {};
//////////////////////
// jspn_ref helpers //
//////////////////////
template <typename>
class json_ref;
template<typename>
struct is_json_ref : std::false_type {};
template <typename T>
struct is_json_ref<json_ref<T>> : std::true_type {};
//////////////////////////
// aliases for detected //
//////////////////////////
@ -16632,10 +16645,10 @@ class basic_json
// other constructors and destructor //
///////////////////////////////////////
/// @private
basic_json(const detail::json_ref<basic_json>& ref)
: basic_json(ref.moved_or_copied())
{}
template <typename JsonRef,
detail::enable_if_t<detail::conjunction<detail::is_json_ref<JsonRef>,
std::is_same<typename JsonRef::value_type, basic_json>>::value, int> = 0 >
basic_json(const JsonRef& ref) : basic_json(ref.moved_or_copied()) {}
/*!
@brief copy constructor