package luan.interp;

import luan.Luan;
import luan.LuanException;
import luan.LuanSource;


final class NotExpr extends UnaryOpExpr {

	NotExpr(LuanSource.Element se,Expr op) {
		super(se,op);
	}

	@Override public Object eval(LuanStateImpl lua) throws LuanException {
		return !Luan.toBoolean(op.eval(lua));
	}
}