61 lines
841 B
TypeScript
61 lines
841 B
TypeScript
class Control {
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private state: any;
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}
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interface SelectableControl extends Control {
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select(): void;
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}
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class Button extends Control implements SelectableControl {
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select() { }
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}
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class TextBox extends Control {
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select() { }
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}
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class ImageBase extends Control implements SelectableControl{
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}
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class Image1 extends Control {
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}
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class Locations implements SelectableControl {
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select() { }
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}
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class Locations1 {
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select() { }
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}
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var sc: SelectableControl;
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var c: Control;
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var b: Button;
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sc = b;
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c = b;
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b = sc;
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b = c;
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var t: TextBox;
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sc = t;
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c = t;
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t = sc;
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t = c;
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var i: ImageBase;
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sc = i;
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c = i;
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i = sc;
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i = c;
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var i1: Image1;
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sc = i1;
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c = i1;
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i1 = sc;
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i1 = c;
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var l: Locations;
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sc = l;
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c = l;
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l = sc;
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l = c;
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var l1: Locations1;
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sc = l1;
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c = l1;
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l1 = sc;
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l1 = c; |