externalDatasetMapper <Data, R>

User-function used in the Dataset.map() API.

Callable

• DatasetMapper(item: Data, index: number): Awaitable<R>

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• User-function used in the Dataset.map() API.

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  Parameters

  • externalitem: Data

    Current Dataset entry being processed.

  • externalindex: number

    Position of current Dataset entry.

  Returns Awaitable<R>