ExprVisitor (AWS Java SDK :: Services :: Amazon CloudWatch 2.25.63 API)

All Known Implementing Classes:

ExprVisitor.Default, RuleEvaluator
```
public interface ExprVisitor<R>
```

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Interface Description
  
  static class ExprVisitor.Default<R>
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  R visitFn(Fn fn)
  
  R visitLiteral(Literal literal)
  
  R visitRef(Ref ref)

Method Detail

visitLiteral
```
R visitLiteral(Literal literal)
```

visitRef
```
R visitRef(Ref ref)
```

visitFn
```
R visitFn(Fn fn)
```