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  1. Qt
  2. QTBUG-61145

QtConcurrent::blockingMappedReduced cannot deduce mapped type

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Details

    • Bug
    • Resolution: Duplicate
    • P3: Somewhat important
    • None
    • 5.7.1, 5.8.0, 5.9.0, 5.9.1
    • Core: QtConcurrent
    • None

    Description

      When passing a lambda as a map function to QtConcurrent::blockingMappedReduced, its result is incorrectly deduced as void. Only after wrapping it in a std::function, everything works as expected.

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          duplicates

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. QTBUG-33735 QtConcurrent::mapped doesn't work with C++11 lambdas

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-67603 Doc: Example code snippet for QtConcurrent::mapped does not compile

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
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              sorvig Morten Sørvig
              krojew Kamil Rojewski
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              Dates

                Created:
                Updated:
                Resolved:

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