Function accumulate

accumulate<T, U>(x, fr, acc?): IterableIterator<T | U>
Produce accumulating values.
Type Parameters
- T
- U = T
Parameters
- x: Iterable<T>
  
  an iterable
- fr: ReduceFunction<T, T | U>
  
  reduce function (acc, v, i, x)
- Optional acc: T | U
  
  initial value
Returns IterableIterator<T | U>
fr(acc, v₀), fr(fr(acc, v₀), v₁), ... | fr(acc, v₀) = v₀ if acc not given
- Defined in index.ts:1466

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