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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"address `bugprone-exception-escape` clang-tidy warning in `Macro` copy constructor","articleBody":"Encountered in #421.\n\n```\n/usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/stl_pair.h:295:17: error: an exception may be thrown in function 'pair' which should not throw exceptions [bugprone-exception-escape,-warnings-as-errors]\n  295 |       constexpr pair(pair\u0026\u0026) = default;         ///\u003c Move constructor\n      |                 ^\n/home/runner/work/simplecpp/simplecpp/simplecpp.cpp:1747:29: note: frame #0: unhandled exception of type 'simplecpp::Macro::Error' may be thrown in function 'parseDefine' here\n 1747 |                             throw Error(tok-\u003elocation, \"In definition of '\" + nameTokDef-\u003estr() + \"': Missing opening parenthesis for __VA_OPT__\");\n      |                             ^\n/home/runner/work/simplecpp/simplecpp/simplecpp.cpp:1508:21: note: frame #1: function 'operator=' calls function 'parseDefine' here\n 1508 |                     parseDefine(other.nameTokDef);\n      |                     ^\n/home/runner/work/simplecpp/simplecpp/simplecpp.cpp:1495:19: note: frame #2: function 'Macro' calls function 'operator=' here\n 1495 |             *this = other;\n      |                   ^\n/usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/stl_pair.h:295:17: note: frame #3: function 'pair' calls function 'Macro' here\n  295 |       constexpr pair(pair\u0026\u0026) = default;         ///\u003c Move constructor\n      |                 ^\n``","author":{"url":"https://github.com/firewave","@type":"Person","name":"firewave"},"datePublished":"2025-09-09T10:27:46.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/537/simplecpp/issues/537"}