static void anon()

in Doctest_tests/doctest.h [1863:1890]
23 lines of code
5 McCabe index (conditional complexity)

    static void anon()

#define DOCTEST_TEST_CASE_TEMPLATE(dec, T, ...)                                                    \
    DOCTEST_TEST_CASE_TEMPLATE_IMPL(dec, T, DOCTEST_ANONYMOUS(_DOCTEST_ANON_TMP_), __VA_ARGS__)

// for subcases
#define DOCTEST_SUBCASE(name)                                                                      \
    if(const doctest::detail::Subcase & DOCTEST_ANONYMOUS(_DOCTEST_ANON_SUBCASE_) DOCTEST_UNUSED = \
               doctest::detail::Subcase(name, __FILE__, __LINE__))

// for grouping tests in test suites by using code blocks
#define DOCTEST_TEST_SUITE_IMPL(decorators, ns_name)                                               \
    namespace ns_name { namespace doctest_detail_test_suite_ns {                                   \
            static DOCTEST_NOINLINE doctest::detail::TestSuite& getCurrentTestSuite() {            \
                DOCTEST_MSVC_SUPPRESS_WARNING_WITH_PUSH(4640)                                      \
                DOCTEST_CLANG_SUPPRESS_WARNING_WITH_PUSH("-Wexit-time-destructors")                \
                static doctest::detail::TestSuite data;                                            \
                static bool                       inited = false;                                  \
                DOCTEST_MSVC_SUPPRESS_WARNING_POP                                                  \
                DOCTEST_CLANG_SUPPRESS_WARNING_POP                                                 \
                if(!inited) {                                                                      \
                    data* decorators;                                                              \
                    inited = true;                                                                 \
                }                                                                                  \
                return data;                                                                       \
            }                                                                                      \
        }                                                                                          \
    }                                                                                              \