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  1. Qt
  2. QTBUG-82743

[REG 5.13 -> 5.14] Assigning to QSet<QByteArray> property no longer works (due to conversion to js list while reading)

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    • Linux/Wayland
    • 6db55e3451e8ba244e9f2555713d44d988977871, 2b8042182d77241ffe7e6b4edf4e727315f93147

    Description

      I have an object that exposes a QSet<QByteArray> from C++ via Q_PROPERTY, and that assigns it to another object with a property of the same type.

      This used to work as QML handled the value as QVariant(QSet<QByteArray>).

      In qt 5.14 this no longer works with an error of "Unable to assign QJSValue to QSet<QByteArray>" as container classes are now implicitly converted to javascript lists, but then not back. The only way I got it to function again is by converting the property I write to to a QList<QString> (QByteArray doesn't work).

      If all containers are implicitly converted to lists I think the conversion back should be supported as well.

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              fabiankosmale Fabian Kosmale
              chrigi_1 Christian Mollekopf
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