// convinience method
public static void Delete <TElement>(this IQueryStrategy <TElement> source, Expression <Func <TElement, bool> > filter)
{
// could we also just ask for a key?
// can we ask a TElement to have a key field for us? generic field constraint?
// X:\jsc.svn\examples\javascript\LINQ\test\auto\TestSelect\TestSelectMath\Program.cs
source.Where(filter).Delete();
}
public static long Count <TElement>(this IQueryStrategy <TElement> source, Expression <Func <TElement, bool> > filter)
{
return(source.Where(filter).Count());
}