Pull Request №665 RosettaCommons/rosetta/main ← lyskov-ai/rosetta/refactor/timer-delete-copy Merge: f9c5b025aa6240de1105fd6cdcf04f7a535ea67d←776a3e20b99c27214dd542508fbf49c8056c617f Explicitly delete copy constructor and assignment in Timer ---------------- Merge commit message: Explicitly delete copy constructor and assignment in Timer Timer's destructor calls Report(), printing the elapsed time. Without explicit copy deletion, a copied Timer would silently produce a second Report() call on destruction, logging a duplicate timing entry for the same measured interval. Both tag_ and t_ are non-owning pointers so there is no memory-safety risk, but the semantic hazard is real. Deleting copy constructor and copy assignment makes the non-copyable intent explicit.

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