Method GetX

tests/constexprPoint.cpp:5–5

   constexpr Point(double x, double y) noexcept : mX(x), mY(y) {}

   constexpr double GetX() const noexcept { return mX; } 
   constexpr double GetY() const noexcept { return mY; }

   constexpr void SetX(double x) noexcept { mX = x; }