import { Enumerable } from "https://deno.land/x/proc@0.20.20/src/enumerable.ts";
Equivalent to calling map followed by flatten.
x/proc/src/enumerable.ts>Enumerable#flatMap
import { Enumerable } from "https://deno.land/x/proc@0.20.20/src/enumerable.ts";
Equivalent to calling map followed by flatten.