Enumerable | /src/enumerable.ts | proc@0.21.9

A better way to work with processes in Deno.

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method Enumerable.prototype.count

import { Enumerable } from "https://deno.land/x/proc@0.21.9/src/enumerable.ts";

count(filterFn?: (item: T) => boolean | Promise<boolean>): Promise<number>

Count the number of items; optionally with a filter.

Parameters

optional

filterFn: (item: T) => boolean | Promise<boolean>

Includes items where filter returns true.

Promise<number>

A count of the items.