bind の謎
Canvas { var circles = bind [] content: bind [circles, View { content: Button { onMouseClicked: operation(e:MouseEvent) { insert Circle { 略 } into circles; } } }] }
↑は,期待通り動くけど,↓は,動かないんだって
Canvas { var circles = [] content: [ View { content: Button { onMouseClicked: operation(e:MouseEvent) { insert Circle { 略 } into circles; } } }, bind circles ] }
なんで?