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variable none
import { none } from "https://deno.land/x/30_seconds_of_typescript@v1.0.1/util.ts";

Returns true if the provided predicate function returns false for all elements in a collection, false otherwise.

Use Array.prototype.some() to test if any elements in the collection return true based on fn. Omit the second argument, fn, to use Boolean as a default.

type

(arr: any[], fn?: Predicate) => unknown