Function getOrCreate

getOrCreate<TKey, TValue>(map: Map<TKey, TValue>, key: TKey, factory: ((key: TKey) => TValue)): TValue
Type Parameters
- TKey
- TValue extends NonNullish
Parameters
- map: Map<TKey, TValue>
- key: TKey
- factory: ((key: TKey) => TValue)
  - - (key: TKey): TValue
    - Parameters
      
      key: TKey
      
      Returns TValue
Returns TValue

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