groupBy | /mod.ts | rambda@9.2.1

function groupBy

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

groupBy<T>(groupFn: (x: T) => string, list: T[]): { [index: string]: T[]; }

It splits list according to a provided groupFn function and returns an object.

groupBy<T>(groupFn: (x: T) => string): (list: T[]) => { [index: string]: T[]; }

groupBy<T, U>(groupFn: (x: T) => string, list: T[]): U

groupBy<T, U>(groupFn: (x: T) => string): (list: T[]) => U

It splits list according to a provided groupFn function and returns an object.

Type Parameters

groupFn: (x: T) => string

list: T[]

{ [index: string]: T[]; }

groupFn: (x: T) => string

(list: T[]) => { [index: string]: T[]; }

groupFn: (x: T) => string

list: T[]

groupFn: (x: T) => string

(list: T[]) => U