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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Use of deprecated C++ API in src","articleBody":"```\nIn file included from ../../test/cctest/test_util.cc:1:\nIn file included from ../../src/debug_utils-inl.h:6:\nIn file included from ../../src/debug_utils.h:6:\nIn file included from ../../src/async_wrap.h:27:\nIn file included from ../../src/base_object.h:29:\nIn file included from ../../src/memory_tracker.h:5:\nIn file included from ../../deps/v8/include/v8-profiler.h:10:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/memory:950:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__memory/inout_ptr.h:16:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__memory/shared_ptr.h:22:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__fwd/ostream.h:13:\n/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__fwd/string.h:45:41: warning: 'char_traits\u003cunsigned char\u003e' is deprecated: char_traits\u003cT\u003e for T not equ\nal to char, wchar_t, char8_t, char16_t or char32_t is non-standard and is provided for a temporary period. It will be removed in a future release, so please migrate off of it. [-Wdeprecated-declarations]\n   45 | template \u003cclass _CharT, class _Traits = char_traits\u003c_CharT\u003e, class _Allocator = allocator\u003c_CharT\u003e \u003e\n      |                                         ^\n../../src/util.h:506:15: note: in instantiation of default argument for 'basic_string\u003cunsigned char\u003e' required here\n  506 |   inline std::basic_string\u003cT\u003e ToString() const { return {out(), length()}; }\n      |               ^~~~~~~~~~~~~~~\n../../test/cctest/test_util.cc:229:37: note: in instantiation of template class 'node::MaybeStackBuffer\u003cunsigned char\u003e' requested here\n  229 |     MaybeStackBuffer\u003cunsigned char\u003e buf(100);\n      |                                     ^\n/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__fwd/string.h:24:8: note: 'char_traits\u003cunsigned char\u003e' has been explicitly marked deprecated here\n   24 | struct _LIBCPP_DEPRECATED_(\n      |        ^\n/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__config:555:53: note: expanded from macro '_LIBCPP_DEPRECATED_'\n  555 | #      define _LIBCPP_DEPRECATED_(m) __attribute__((__deprecated__(m)))\n      |                                                     ^\nIn file included from ../../test/cctest/test_util.cc:1:\nIn file included from ../../src/debug_utils-inl.h:6:\nIn file included from ../../src/debug_utils.h:6:\nIn file included from ../../src/async_wrap.h:27:\nIn file included from ../../src/base_object.h:29:\nIn file included from ../../src/memory_tracker.h:5:\nIn file included from ../../deps/v8/include/v8-profiler.h:11:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/unordered_set:1846:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/functional:601:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/vector:363:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/locale:197:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__locale:28:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/string:654:\nIn file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/string_view:221:\n/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__fwd/string_view.h:22:41: warning: 'char_traits\u003cunsigned char\u003e' is deprecated: char_traits\u003cT\u003e for T no\nt equal to char, wchar_t, char8_t, char16_t or char32_t is non-standard and is provided for a temporary period. It will be removed in a future release, so please migrate off of it. [-Wdeprecated-declarations]\n   22 | template \u003cclass _CharT, class _Traits = char_traits\u003c_CharT\u003e \u003e\n      |                                         ^\n../../src/util.h:507:15: note: in instantiation of default argument for 'basic_string_view\u003cunsigned char\u003e' required here\n  507 |   inline std::basic_string_view\u003cT\u003e ToStringView() const {\n      |               ^~~~~~~~~~~~~~~~~~~~\n../../test/cctest/test_util.cc:229:37: note: in instantiation of template class 'node::MaybeStackBuffer\u003cunsigned char\u003e' requested here\n  229 |     MaybeStackBuffer\u003cunsigned char\u003e buf(100);\n      |                                     ^\n/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__fwd/string.h:24:8: note: 'char_traits\u003cunsigned char\u003e' has been explicitly marked deprecated here\n   24 | struct _LIBCPP_DEPRECATED_(\n      |        ^\n/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__config:555:53: note: expanded from macro '_LIBCPP_DEPRECATED_'\n  555 | #      define _LIBCPP_DEPRECATED_(m) __attribute__((__deprecated__(m)))\n      |\n```","author":{"url":"https://github.com/targos","@type":"Person","name":"targos"},"datePublished":"2026-03-30T12:15:32.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/62506/node/issues/62506"}