[nem-en] usesite

[Vladimir Reshetnikov]

On 2/14/07, vc <vc at rsdn.ru> wrote:
> > But this check for null makes sense only for reference types and
> > nullable value types. For non-nullale value types it is redundant. How
> > can I check in macro that target filed has a non-nullable value type?
>
> You can type expressions and use IsValueType of type.
> Also you can use ?? operator instead:
>  (someVar ?? someDefault).GetHashCode()

I want to exclude that redundant check at compile-time, if possible.
So, coalesce operator will not help me.
What do you mean "type expression"? How to?