Function flatMap

flatMap<T, R>(f: ((arg: T) => R | Iterable<R> | AsyncIterable<R>), iterable: Iterable<T> | AsyncIterable<T>): AsyncIterableIterator<R>
Maps each element yielded by the supplied iterable and flattens the result.

This method will not flatten yielded strings into characters.
Type Parameters
Type Parameters
- T
- R
Parameters
- f: ((arg: T) => R | Iterable<R> | AsyncIterable<R>)
  
  The function to apply to every value yielded by the supplied iterable.
  - - (arg: T): R | Iterable<R> | AsyncIterable<R>
    - Parameters
      
      arg: T
      
      Returns R | Iterable<R> | AsyncIterable<R>
- iterable: Iterable<T> | AsyncIterable<T>
Returns AsyncIterableIterator<R>
- Defined in src/index.ts:307

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