Possible Duplicate:
Using keywords as identifiers in F#
C# allows you prefix your variables with the @ keyword:
Keywords are predefined reserved identifiers that have special
meanings to the compiler. They cannot be used as identifiers in your
program unless they include @ as a prefix. For example, @if is a legal
identifier but if is not because it is a keyword.
I am wondering whether there is a similar construct in F#. If I recall correctly, even VB.NET provides a similar construct.
use quotes: