struct foo bar end;

method f1(a)
	return (a.foo * 1) = 5;
end;

method f2(a)
	return 5 = (a.bar * 1);
end;

method f3(a)
	return (a.foo * 1) = this;
end;

method f4(a)
	return this = (a.bar * 1);
end;

method f5(a)
	return a.foo = (this * 1);
end;

method f6(a)
	return a.foo = 5;
end;

method f7(a)
	return 5 = a.bar;
end;

method f8(a)
	return a.foo = this;
end;

method f9(a)
	return this = a.bar;
end;