method Reducer.Base.prototype.mapInputimport { Reducer } from "https://deno.land/x/rimbu@1.2.1/stream/main/reducer.ts"; const { Base } = Reducer; mapInput<I2>(mapFun: (value: I2, index: number) => I): Reducer<I2, O>Type ParametersI2ParametersmapFun: (value: I2, index: number) => IReturnsReducer<I2, O>