>I think you are trying to achieve an impossible thing.  Compiler is the one
>to
>create the types.  You can control the compiler, so that it creates the
>types
>based on a non-trivial algorithm, but all of this should be done at compile
>time,
>and based on compile-time input: types and constants hardcoded into your
>program.
>By the runtime it's over -- you can't create the types based on the runtime
>string value.
>The typeof solves the problem because it works at compile time.

Yes I have come to the same conclusion. Thanks for your response.
Some kind of eval would come in handy. Dynamic typing as in Python would also be a blessing here.
Of course it would be possible to solve this by calling Python but it would be an expensive function call!

cheers

Arnaldur