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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Improve diagnostics with C++26 constexpr exceptions","articleBody":"Ported from https://github.com/microsoft/proxy/issues/253\n\n@mingxwa opened on Feb 17, 2025:\n\n\u003e C++26 constexpr exceptions can also be considered here when the compiler implementations are widely available.\n\u003e \n\u003e Relevant paper: https://wg21.link/p3557r0 (godbolt link: https://godbolt.org/z/Y1vPcn6Kr)\n\u003e \n\u003e Adding constraints to the requires clause has the downside that when there are multiple overloads, the diagnostic messages are spammed with the \"we tried this and that and none of them matched\". constexpr exceptions don't have this issue. \n\n _Originally posted by @SidneyCogdill in [#247](https://github.com/microsoft/proxy/issues/247#issuecomment-2662498439)_","author":{"url":"https://github.com/mingxwa","@type":"Person","name":"mingxwa"},"datePublished":"2026-01-29T09:15:54.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/3/proxy/issues/3"}