variantAssociationObjectCanSwitchBetweenAQVariantMapAndHash.qml

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import qqmllanguage.Test

import QtQml

VariantAssociationProvider {

    property string emailAfterMapToHashSwitch: ""

    property string emailAfterHashToMapSwitch: ""

    Component.onCompleted: {

        // Populate the list

        variantList = getListOfMap();

        // items has to remain attached. Otherwise this doesn't work.

        // Arguably, this is a bit insane, but then the technique shown here

        // intentionally abuses the reference-vs-object problem.

        const items = variantList;

        // This is a reference object to items[0].

        let originallyAMap = items[0];

        originallyAMap.email = "map@map.map";

        // This switches the underlying type to a QVariantHash.

        items[0] = variantHash;

        items[0].email = "hash@hash.hash";

        // This trigger a read-back with a switched type.

        emailAfterMapToHashSwitch = originallyAMap.email;

        // Now we switch back to a QVariantMap

        items[0] = variantMap;

        items[0].email = "switchedmap@map.map";

        // This trigger another switched read-back.

        emailAfterHashToMapSwitch = originallyAMap.email;