import { histograph } from "https://dotland.deno.dev/x/jssm@5.104.1/jssm_util.d.ts";

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Returns the histograph of an array as a Map. Makes no attempt to cope with deep equality; will fail for complex contents, as such.

import { histograph } from './jssm';

histograph( [0, 0, 1, 1, 2, 2, 1] );  // Map()