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Module

x/rimbu/stream/custom/fast-iterator-custom.ts>IndicesWhereIterator#fastNext

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.
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method IndicesWhereIterator.prototype.fastNext
import { IndicesWhereIterator } from "https://deno.land/x/rimbu@0.13.0/stream/custom/fast-iterator-custom.ts";

Parameters

optional
otherwise: OptLazy<O>

Returns

number | O