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function associateWith
import { associateWith } from "https://deno.land/std@0.167.0/collections/mod.ts";

Builds a new Record using the given array as keys and choosing a value for each key using the given selector. If any of two pairs would have the same value the latest on will be used (overriding the ones before it).


Example 1

import { associateWith } from "https://deno.land/std@0.167.0/collections/associate_with.ts";
import { assertEquals } from "https://deno.land/std@0.167.0/testing/asserts.ts";

const names = ["Kim", "Lara", "Jonathan"];
const namesToLength = associateWith(names, (it) => it.length);

assertEquals(namesToLength, {
  "Kim": 3,
  "Lara": 4,
  "Jonathan": 8,


array: readonly string[]
selector: (key: string) => T


Record<string, T>