countBy | /mod.ts | rambda@9.2.1

function countBy

import { countBy } from "https://deno.land/x/rambda@9.2.1/mod.ts";

countBy<T extends unknown>(transformFn: (x: T) => any, list: T[]): Record<string, number>

It counts elements in a list after each instance of the input list is passed through transformFn function.

countBy<T extends unknown>(transformFn: (x: T) => any): (list: T[]) => Record<string, number>

It counts elements in a list after each instance of the input list is passed through transformFn function.

Type Parameters

T extends unknown

transformFn: (x: T) => any

list: T[]

Record<string, number>

T extends unknown

transformFn: (x: T) => any

(list: T[]) => Record<string, number>