(non)nullable types

[Brian]

On Thu, 12 Feb 2009 08:41:54 -0500, Christopher Wright wrote:
> Brian mentioned having to check if the variable is null before using it.
> This would not be easy to implement, and it might be a bit hard to use.
> Again, I'd have to see it in use.

after a bit of thought i dont think theres much/any benefit of forcing a 
check. if nonnullable was the default then using a nullable version is 
expected to be unusual and potentially unsafe.