public static TestClassWithValueAt ValueAt(double time, TestClassWithValueAt startValue, TestClassWithValueAt endValue, double startTime, double endTime, Easing easingType) => new TestClassWithValueAt(Interpolation.ValueAt(time, startValue.i, endValue.i, startTime, endTime, easingType));
public bool Equals(TestClassWithValueAt other) => i == other.i;