typescript class constructor overload
class Box {
public x: number;
public y: number;
public height: number;
public width: number;
constructor();
constructor(obj: IBox);
constructor(obj?: IBox) {
this.x = obj?.x ?? 0
this.y = obj?.y ?? 0
this.height = obj?.height ?? 0
this.width = obj?.width ?? 0;
}
}