Function reduce

reduce<A>(reducer: ((acc: A, item: A, index: number) => A)): ((self: Source<A, any>) => Promise<A>)
Calls the specified callback function for all the elements. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.

See
- Array.reduce
Type Parameters
- A
Parameters
- reducer: ((acc: A, item: A, index: number) => A)
  
  A function that accepts up to three arguments. The reduce method calls the reducer function one time for each element.
  - - (acc: A, item: A, index: number): A
    - Parameters
      
      acc: A
      
      item: A
      
      index: number
      
      Returns A
Returns ((self: Source<A, any>) => Promise<A>)
- - (self: Source<A, any>): Promise<A>
  - Parameters
    - self: Source<A, any>
    Returns Promise<A>
- Defined in api/reduce.ts:90
reduce<A, Acc>(reducer: ((previousValue: Acc, item: A, index: number) => Acc), initialValue: Acc): ((self: Source<A, any>) => Promise<Acc>)
Calls the specified callback function for all the elements. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.

See
- Array.reduce
Type Parameters
- A
- Acc = A
Parameters
- reducer: ((previousValue: Acc, item: A, index: number) => Acc)
  
  A function that accepts up to three arguments. The reduce method calls the reducer function one time for each element.
  - - (previousValue: Acc, item: A, index: number): Acc
    - Parameters
      
      previousValue: Acc
      
      item: A
      
      index: number
      
      Returns Acc
- initialValue: Acc
  
  If initialValue is specified, it is used as the initial value to start the accumulation. The first call to the reducer function provides this value as an argument instead of a value.
Returns ((self: Source<A, any>) => Promise<Acc>)
- - (self: Source<A, any>): Promise<Acc>
  - Parameters
    - self: Source<A, any>
    Returns Promise<Acc>
- Defined in api/reduce.ts:106

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