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| type Point[T] = object | |
| x, y: T | |
| proc newPoint[T](x, y: T): Point[T] = Point[T](x: x, y: y) | |
| proc `+`[T](a, b: Point[T]): Point[T] = | |
| result = Point[T](x: a.x + b.x, y: a.y + b.y) | |
| proc `==`[T](a, b: Point[T]): bool = | |
| a.x == b.x and a.y == b.y | |
| assert newPoint(1, 0) + newPoint(2, 3) == newPoint(3, 3) |
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