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/// 比较操作符 #[derive(Debug, Clone, PartialEq)] pub enum ComparisonOp { /// 等于 == Equal, /// 不等于 != NotEqual, /// 小于 < LessThan, /// 小于等于 <= LessThanOrEqual, /// 大于 > GreaterThan, /// 大于等于 >= GreaterThanOrEqual, } /// 逻辑操作符 #[derive(Debug, Clone, PartialEq)] pub enum LogicalOp { /// 逻辑与 and / && And, /// 逻辑或 or / || Or, /// 逻辑非 not Not, }