SQL expression type

Question

Possible duplicates:
SQL Server will check the resulting expression data type
SQL Server 2005: Defining Variable Data Type

Is there a standard (SQL2008) way to determine the type of an expression?

For example, in Postgres 8.0 there is a function "TYPE_OF"

select TYPE_OF(COUNT(*)); 

This may return a BIGINT.

I also hope it works in SQL Server 2008.