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import fastro, { Context, HttpRequest } from "$fastro/mod.ts";const f = new fastro(  { "kv": await Deno.openKv() },);
async function createUser(kv: Deno.Kv) {  const uuid = crypto.randomUUID();  await kv.set(["users", "john"], { name: "john", id: uuid });}
// Get userf.get("/user", async (req: HttpRequest, ctx: Context) => {  const kv = ctx.kv;  const key: string = req.query?.name ?? "";  const u = await kv.get(["users", key]);  if (!u) {    await createUser(kv);  }  return Response.json(u.value);});
await f.serve();