posts: multiple-dispatch: add visit downside
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@ -254,3 +254,7 @@ int main() {
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// Calls CollideDispatch::operator()(Spaceship&, Asteroid&)
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}
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```
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Obviously, the issue with adding a new `SpaceStation` variant is once again
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apparent in this implementation. You will get a compile error unless you handle
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this new `SpaceStation` variant at every point you `visit` the `SpaceObject`s.
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