Type alias KeyedReducer<N, K, R>

KeyedReducer<N, K, R>: ((value, key, i, accumulation) => R)

A function that reduces or accumulates values of type N by applying a custom logic and returning the accumulated result.

Type Parameters

N
The type of the values being processed in the reduction.
K = string
The type of the keys used during the reduction (default: string).
R = void
The type of the accumulated result.

Type declaration

- (value, key, i, accumulation): R
- Parameters
  - value: N
    The value being processed in the reduction.
  - key: K
    The key associated with the value being processed in the reduction.
  - i: number
    The index of the current value in the reduction (optional).
  - accumulation: R
    The current accumulated result.
  Returns R

Returns

The updated accumulated result after processing the current value.