package org.boris.expr.function.excel;
import org.boris.expr.Expr;
import org.boris.expr.ExprError;
import org.boris.expr.ExprException;
import org.boris.expr.function.AbstractFunction;
public class ISERR extends AbstractFunction
{
public Expr evaluate(Expr[] args) throws ExprException {
assertArgCount(args, 1);
Expr e = evalArg(args[0]);
return bool(e instanceof ExprError);
}
}