File: expression.4.qml

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qt6-declarative 6.9.1%2Bdfsg-1
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import QtQuick 2.0

Item {
    property int a: 5
    property int d: 12
    signal trigger(int b, int c)

    onAChanged: {
        trigger(a*2, 15+a)
    }

    function someFunc(b, c) {
        d = b+c;
    }

    Component.onCompleted: {
        trigger.connect(someFunc);
    }
}