class Point2D
{
    constructor(public x: number, public y: number)
    {
    }
}

var Point2D = (function () {
    function Point2D(x, y) {
        this.x = x;
        this.y = y;
    }
    return Point2D;
})();

function Point2D(x, y) {
    this.x = x;
    this.y = y;
}