Function reduce

reduce<V>(
reducer: (accumulator: V, item: V) => V | Promise<V>,
): Sink<V, V | undefined>
Creates a sink reducing the stream to a single value without an initial value.
Type Parameters
- V
  The type of items in the stream
Parameters
- reducer: (accumulator: V, item: V) => V | Promise<V>
  The function to combine the accumulator with each item
Returns Sink<V, V | undefined>
A sink that reduces the stream to a single value, the first item for singleton streams, or undefined for empty streams
- Defined in sinks.ts:154
reduce<V, R>(
reducer: (accumulator: R, item: V) => R | Promise<R>,
initial: R,
): Sink<V, R>
Creates a sink reducing the stream to a single value with an initial value.
Type Parameters
- V
  The type of items in the stream
- R
  The type of the accumulated result
Parameters
- reducer: (accumulator: R, item: V) => R | Promise<R>
  The function to combine the accumulator with each item
- initial: R
  The initial value for the accumulator
Returns Sink<V, R>
A sink that reduces the stream to a single value
- Defined in sinks.ts:167