25 lines
495 B
TypeScript
25 lines
495 B
TypeScript
declare class Point
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{
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x: number;
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y: number;
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constructor(x: number, y: number);
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add(dx: number, dy: number): Point;
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origin: Point;
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}
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// Type provided by extern declaration
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// Because Point is a constructor function, this is inferred
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// to be Point and return type is inferred to be void
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function Point(x, y) {
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this.x = x;
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this.y = y;
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return this;
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}
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declare function EF1(a:number, b:number):number;
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function EF1(a,b) { return a+b; }
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