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import QtQuick 2.12
Item {
id: root
width: 640
height: 480
property bool toggle: false
property Item bound
property string message: "defined"
readonly property Item item: root.toggle ? root : null
Binding { target: root; property: "bound"; value: item}
function tog() {
console.info(root.bound ? root.bound.message: "undefined")
root.toggle = !root.toggle
return 42;
}
}
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