function tree.applyimport { tree } from "https://deno.land/x/fun@v2.0.0/mod.ts"; const { apply } = tree; apply<A>(ua: Tree<A>): <I>(tfai: Tree<(a: A) => I>) => Tree<I>The apply function for Applicable. Type ParametersAParametersua: Tree<A>Returns<I>(tfai: Tree<(a: A) => I>) => Tree<I>