logical expression

基本解释

If a logical expression is hard to understand, try transforming it.
如果一个表达式的逻辑不容易理解，则需要试着改变其形式。
Predicate: Logical expression that modifies the control flow to conditionally trace the data.
断言（Predicate）：修改控制流的逻辑表达式，可以有条件地跟踪数据。
Each spec can have many expressions, which will form an or logical expression, for instance for SlotSpec 1 the expression would be file.slot=DataSource* or file.slot=Person.
每种规范可以有多个表达式，这将组成一个 or 逻辑表达式，例如 SlotSpec 1 的表达式将是 file.slot=DataSource* 或 file.slot=Person。