method Reducer.Base.prototype.filterInputimport { Reducer } from "https://deno.land/x/rimbu@0.14.1/common/mod.ts"; const { Base } = Reducer; filterInput(pred: (value: I,index: number,halt: () => void,) => boolean): Reducer<I, O>Parameterspred: (value: I,index: number,halt: () => void,) => booleanReturnsReducer<I, O>