Strange behaviour

[Simen Haugen]

"Thomas Kuehne" <thomas-dloop at kuehne.cn> wrote in message 
news:slrnf6gb6a.coh.thomas-
> Did you check that "invariant", "unittest" and "in/out" of in/out/body
> have no side effects appart from debugging output?

Yes.

> "aa[non_existant]" should allways throw an exception however
> "non_existant in aa" simply returns null.

Yes. The problem is that the exception wasnt raised in the debug build.