private static ReqlExpr GetWhereReqlAst(ReqlExpr reqlExpr, Expression predicate)
        {
            var visitor = new ExpressionVisitor(reqlExpr, typeof(bool));

            visitor.Visit(predicate);
            return(visitor.Current);
        }
 private static ReqlExpr GetWhereReqlAst( ReqlExpr reqlExpr, Expression predicate )
 {
     var visitor = new ExpressionVisitor( reqlExpr, typeof( bool ) );
     visitor.Visit( predicate );
     return visitor.Current;
 }