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  1. Qt
  2. QTBUG-130259

QHash: Find and port various code from insert-if-not-already-exists to use try_emplace

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Details

    • Task
    • Resolution: Fixed
    • P3: Somewhat important
    • None
    • None
    • Core: Containers and Algorithms
    • None
    • 370031f80 (dev)
    • Foundation Sprint 121, Foundation Sprint 122, Foundation Sprint 123, Foundation Sprint 124, Foundation Sprint 125, Foundation Sprint 126, Foundation Sprint 127, Foundation Sprint 128

    Description

      ... but also check how it affects performance in performance-sensitive places. try_emplace will always detach, but a combo of contains + insert / find + insert would not

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        Issue Links

          resulted from

          Task - A task that needs to be done. QTBUG-130258 Add QHash::try_emplace

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
          For Gerrit Dashboard: QTBUG-130259
          # Subject Branch Project Status CR V
          626453,1 QHash double-lookup fixes dev qt/qtdeclarative Status: NEW 0 +1

          Activity

            People

              manordheim Mårten Nordheim
              manordheim Mårten Nordheim
              Vladimir Minenko Vladimir Minenko
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              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews

                  There is 1 open Gerrit change