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import prefix from "./prefix.ts";import { assertEquals } from "testing/asserts.ts";
Deno.test("prefix", () => {  const pre1: "foobar" = prefix("foo", "bar");  assertEquals(pre1, "foobar");
  const pre2: "fooBar" = prefix("foo", "bar", "camel");  assertEquals(pre2, "fooBar");
  const pre3: "foo_bar" = prefix("foo", "bar", "snake");  assertEquals(pre3, "foo_bar");});