ConceptSwitchIndex (MPS.Core (JetBrains MPS 2019.1.0))

java.lang.Object
- jetbrains.mps.lang.smodel.ConceptSwitchIndex

All Implemented Interfaces:

ConceptIndex
```
public final class ConceptSwitchIndex
extends Object
implements ConceptIndex
```
Effective translation from SConcept to integer value, intended for use in concept switch (i.e. runtime component for lang.smodel language construct). Use ConceptSwitchIndexBuilder to create an index

Since:

3.5

- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  int index(SAbstractConcept c, int missingValue)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface jetbrains.mps.lang.smodel.ConceptIndex
    index

- Method Detail
  - index
```
public int index(@Nullable
                 SAbstractConcept c,
                 int missingValue)
```
    Specified by:
    
    index in interface ConceptIndex
    
    Parameters:
    
    c - concept to look up
    
    missingValue - value indicating index miss
    
    Returns:
    
    integer index of the concept, or missingValue if concept is null or not known to the index.