Function reluctanceSuffix

reluctanceSuffix(reluctance: Reluctance): string
Returns the suffix character for a reluctance type.
Parameters
- reluctance: Reluctance
  The reluctance type
Returns string
The suffix string ("" for Greedy, "?" for Lazy, "+" for Possessive)
Example
```
reluctanceSuffix(Reluctance.Greedy)     // ""
reluctanceSuffix(Reluctance.Lazy)       // "?"
reluctanceSuffix(Reluctance.Possessive) // "+"
```
- Defined in reluctance.ts:56