Overloading Vector2D Assignment Operators

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Jamie King showing how to overload the += operator. Without thinking about it, I overloaded the assignment and copy constructors as well--which I should not have. I talk about why and repent of this sin in video 48.

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You could also define in the EngineTester Main.cpp which tests to run with the help of a filter.
I did it like this

::testing::GTEST_FLAG(filter) = "Vector2D*";
RUN_ALL_TESTS();

I love your videos Jamie :) Keep up the good work

bushuo

This is a fantastic series of videos - but I think this one could have merited a little more discussion. There are significant differences in how the operators are defined in relation to the previous set - the operators require an instance. On my first attempt, Visual C++ became somewhat upset about the inline file and it was difficult to diagnose the root causes of the errors.

Spodgy

Intristing thing.. i thought that i could use your trick from before so i tried to implement assignement operator like this

Vec2& Vec2::operator=(const Vec2& v)
{
// x = v.x;
// y = v.y;
return Vec2(v);
}
and it didn t work but if i left those two things uncomented it assigned just fine.. copy constructor is made same way as yours.. WHY IS THAT???

miroslavkovac

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