IConstantEvaluationResult (org.eclipse.xtext.xbase 2.30.0.RC2 API)

All Known Implementing Classes:

BooleanResult
```
public interface IConstantEvaluationResult<T>
```
Represents a result of the ConstantExpressionValidator. It carries the information if the result is a constant expression and it may also have information about the computed value of an expression. The value may be null, which indicates that it could not be computed. Or it may be Optional.absent() if it was computed to be the literal value null.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`com.google.common.base.Optional<T>`	`getValue()`	Returns the optional computation result.
`boolean`	`isCompileTimeConstant()`

- Method Detail
  - getValue
```
com.google.common.base.Optional<T> getValue()
```
    Returns the optional computation result. If the result is null, no value could be computed.
  - isCompileTimeConstant
```
boolean isCompileTimeConstant()
```