1. Dart
2. dart:math
3. Point<T extends num>
4. Point const constructor

Point class

1. Constructors
2. Point
3. Properties
4. hashCode
5. magnitude
6. x
7. y
8. runtimeType
9. Methods
10. distanceTo
11. squaredDistanceTo
12. toString
13. noSuchMethod
14. Operators
15. operator *
16. operator +
17. operator -
18. operator ==

const Point(T x, T y)
    : this.x = x,
      this.y = y;