Suppress Clang-Tidy warnings (#4276)

.clang-tidy

@@ -45,6 +45,7 @@ Checks: '*,
          -modernize-type-traits,
          -modernize-use-constraints,
          -modernize-use-nodiscard,
+         -modernize-use-std-numbers,
          -modernize-use-trailing-return-type,
          -performance-enum-size,
          -readability-function-cognitive-complexity,

include/nlohmann/detail/input/json_sax.hpp

@@ -632,9 +632,9 @@ class json_sax_dom_callback_parser
     /// stack to model hierarchy of values
     std::vector<BasicJsonType*> ref_stack {};
     /// stack to manage which values to keep
-    std::vector<bool> keep_stack {};
+    std::vector<bool> keep_stack {}; // NOLINT(readability-redundant-member-init)
     /// stack to manage which object keys to keep
-    std::vector<bool> key_keep_stack {};
+    std::vector<bool> key_keep_stack {}; // NOLINT(readability-redundant-member-init)
     /// helper to hold the reference for the next object element
     BasicJsonType* object_element = nullptr;
     /// whether a syntax error occurred

include/nlohmann/json.hpp

@@ -4847,7 +4847,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
                 auto it = val.m_data.m_value.object->find(member);
 
                 // context-sensitive error message
-                const auto error_msg = (op == "op") ? "operation" : detail::concat("operation '", op, '\'');
+                const auto error_msg = (op == "op") ? "operation" : detail::concat("operation '", op, '\''); // NOLINT(bugprone-unused-local-non-trivial-variable)
 
                 // check if desired value is present
                 if (JSON_HEDLEY_UNLIKELY(it == val.m_data.m_value.object->end()))

single_include/nlohmann/json.hpp

@@ -7271,9 +7271,9 @@ class json_sax_dom_callback_parser
     /// stack to model hierarchy of values
     std::vector<BasicJsonType*> ref_stack {};
     /// stack to manage which values to keep
-    std::vector<bool> keep_stack {};
+    std::vector<bool> keep_stack {}; // NOLINT(readability-redundant-member-init)
     /// stack to manage which object keys to keep
-    std::vector<bool> key_keep_stack {};
+    std::vector<bool> key_keep_stack {}; // NOLINT(readability-redundant-member-init)
     /// helper to hold the reference for the next object element
     BasicJsonType* object_element = nullptr;
     /// whether a syntax error occurred
@@ -24150,7 +24150,7 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
                 auto it = val.m_data.m_value.object->find(member);
 
                 // context-sensitive error message
-                const auto error_msg = (op == "op") ? "operation" : detail::concat("operation '", op, '\'');
+                const auto error_msg = (op == "op") ? "operation" : detail::concat("operation '", op, '\''); // NOLINT(bugprone-unused-local-non-trivial-variable)
 
                 // check if desired value is present
                 if (JSON_HEDLEY_UNLIKELY(it == val.m_data.m_value.object->end()))

tests/src/unit-alt-string.cpp

@@ -158,7 +158,7 @@ class alt_string
     }
 
   private:
-    std::string str_impl {};
+    std::string str_impl {}; // NOLINT(readability-redundant-member-init)
 
     friend bool operator<(const char* /*op1*/, const alt_string& /*op2*/) noexcept;
 };

tests/src/unit-class_parser.cpp

@@ -124,7 +124,7 @@ class SaxEventLogger
         return false;
     }
 
-    std::vector<std::string> events {};
+    std::vector<std::string> events {}; // NOLINT(readability-redundant-member-init)
     bool errored = false;
 };
 

tests/src/unit-convenience.cpp

@@ -55,7 +55,7 @@ struct alt_string_iter
         return *this;
     }
 
-    std::string impl{};
+    std::string impl{}; // NOLINT(readability-redundant-member-init)
 };
 
 struct alt_string_data
@@ -91,7 +91,7 @@ struct alt_string_data
         return *this;
     }
 
-    std::string impl{};
+    std::string impl{}; // NOLINT(readability-redundant-member-init)
 };
 
 void check_escaped(const char* original, const char* escaped = "", bool ensure_ascii = false);

tests/src/unit-deserialization.cpp

@@ -125,7 +125,7 @@ struct SaxEventLogger : public nlohmann::json_sax<json>
         return false;
     }
 
-    std::vector<std::string> events {};
+    std::vector<std::string> events {}; // NOLINT(readability-redundant-member-init)
 };
 
 struct SaxEventLoggerExitAfterStartObject : public SaxEventLogger

tests/src/unit-readme.cpp

@@ -115,7 +115,7 @@ TEST_CASE("README" * doctest::skip())
             auto j3 = json::parse(R"({"happy": true, "pi": 3.141})");
 
             // explicit conversion to string
-            std::string const s = j.dump();    // {\"happy\":true,\"pi\":3.141}
+            std::string const s = j.dump();     // NOLINT(bugprone-unused-local-non-trivial-variable) // {\"happy\":true,\"pi\":3.141}
 
             // serialization with pretty printing
             // pass in the amount of spaces to indent
@@ -152,7 +152,7 @@ TEST_CASE("README" * doctest::skip())
             }
 
             // getter/setter
-            const auto tmp = j[0].get<std::string>();
+            const auto tmp = j[0].get<std::string>(); // NOLINT(bugprone-unused-local-non-trivial-variable)
             j[1] = 42;
             bool foo{j.at(2)};
             CHECK(foo == true);
@@ -237,7 +237,7 @@ TEST_CASE("README" * doctest::skip())
             // strings
             std::string const s1 = "Hello, world!";
             json const js = s1;
-            auto s2 = js.get<std::string>();
+            auto s2 = js.get<std::string>(); // NOLINT(bugprone-unused-local-non-trivial-variable)
 
             // Booleans
             bool const b1 = true;
@@ -253,7 +253,7 @@ TEST_CASE("README" * doctest::skip())
 
             // etc.
 
-            std::string const vs = js.get<std::string>();
+            std::string const vs = js.get<std::string>(); // NOLINT(bugprone-unused-local-non-trivial-variable)
             bool vb = jb.get<bool>();
             CHECK(vb == true);
             int vi = jn.get<int>();

tests/src/unit-regression2.cpp

@@ -90,8 +90,8 @@ struct Data
         : a(std::move(a_))
         , b(std::move(b_))
     {}
-    std::string a{};
+    std::string a{}; // NOLINT(readability-redundant-member-init)
-    std::string b{};
+    std::string b{}; // NOLINT(readability-redundant-member-init)
 };
 
 void from_json(const json& j, Data& data);
@@ -218,7 +218,7 @@ class Foo
 class FooBar
 {
   public:
-    Foo foo{};
+    Foo foo{}; // NOLINT(readability-redundant-member-init)
 };
 
 inline void from_json(const nlohmann::json& j, FooBar& fb)
@@ -240,7 +240,7 @@ struct for_3171_base // NOLINT(cppcoreguidelines-special-member-functions)
         j.at("str").get_to(str);
     }
 
-    std::string str{};
+    std::string str{}; // NOLINT(readability-redundant-member-init)
 };
 
 struct for_3171_derived : public for_3171_base
@@ -622,8 +622,8 @@ TEST_CASE("regression tests 2")
         // see https://github.com/nlohmann/json/pull/2181#issuecomment-653326060
         const json j{{"x", "test"}};
         const std::string defval = "default value";
-        auto val = j.value("x", defval);
+        auto val = j.value("x", defval); // NOLINT(bugprone-unused-local-non-trivial-variable)
-        auto val2 = j.value("y", defval);
+        auto val2 = j.value("y", defval); // NOLINT(bugprone-unused-local-non-trivial-variable)
     }
 
     SECTION("issue #2293 - eof doesn't cause parsing to stop")

tests/src/unit-udt.cpp

@@ -52,17 +52,17 @@ struct address
 
 struct person
 {
-    age m_age{};
+    age m_age{}; // NOLINT(readability-redundant-member-init)
-    name m_name{};
+    name m_name{}; // NOLINT(readability-redundant-member-init)
-    country m_country{};
+    country m_country{}; // NOLINT(readability-redundant-member-init)
     person() = default;
     person(const age& a, name  n, const country& c) : m_age(a), m_name(std::move(n)), m_country(c) {}
 };
 
 struct contact
 {
-    person m_person{};
+    person m_person{}; // NOLINT(readability-redundant-member-init)
-    address m_address{};
+    address m_address{}; // NOLINT(readability-redundant-member-init)
     contact() = default;
     contact(person p, address a) : m_person(std::move(p)), m_address(std::move(a)) {}
 };
@@ -71,9 +71,9 @@ enum class book_id : std::uint64_t;
 
 struct contact_book
 {
-    name m_book_name{};
+    name m_book_name{}; // NOLINT(readability-redundant-member-init)
     book_id m_book_id{};
-    std::vector<contact> m_contacts{};
+    std::vector<contact> m_contacts{}; // NOLINT(readability-redundant-member-init)
     contact_book() = default;
     contact_book(name n, book_id i, std::vector<contact> c) : m_book_name(std::move(n)), m_book_id(i), m_contacts(std::move(c)) {}
 };
@@ -343,7 +343,7 @@ namespace udt
 {
 struct legacy_type
 {
-    std::string number{};
+    std::string number{}; // NOLINT(readability-redundant-member-init)
     legacy_type() = default;
     legacy_type(std::string n) : number(std::move(n)) {}
 };
@@ -616,7 +616,7 @@ struct small_pod
 
 struct non_pod
 {
-    std::string s{};
+    std::string s{}; // NOLINT(readability-redundant-member-init)
     non_pod() = default;
     non_pod(std::string S) : s(std::move(S)) {}
 };

tests/src/unit-udt_macro.cpp

@@ -18,7 +18,7 @@ namespace persons
 class person_with_private_data
 {
   private:
-    std::string name{};
+    std::string name{}; // NOLINT(readability-redundant-member-init)
     int age = 0;
     json metadata = nullptr;
 
@@ -41,7 +41,7 @@ class person_with_private_data
 class person_with_private_data_2
 {
   private:
-    std::string name{};
+    std::string name{}; // NOLINT(readability-redundant-member-init)
     int age = 0;
     json metadata = nullptr;
 
@@ -77,7 +77,7 @@ class person_with_private_data_2
 class person_without_private_data_1
 {
   public:
-    std::string name{};
+    std::string name{}; // NOLINT(readability-redundant-member-init)
     int age = 0;
     json metadata = nullptr;
 
@@ -99,7 +99,7 @@ class person_without_private_data_1
 class person_without_private_data_2
 {
   public:
-    std::string name{};
+    std::string name{}; // NOLINT(readability-redundant-member-init)
     int age = 0;
     json metadata = nullptr;
 
@@ -121,7 +121,7 @@ NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(person_without_private_data_2, age, name, met
 class person_without_private_data_3
 {
   public:
-    std::string name{};
+    std::string name{}; // NOLINT(readability-redundant-member-init)
     int age = 0;
     json metadata = nullptr;