Revert "Redesign of http server module (denoland/deno_std#188)"

We need to consider the API changes here more carefully.

This reverts commit da188a7d30cbf71317b46015ee63a06437c09aeb.
and commit 8569f15207bdc12c2c8ca81e9d020955be54918b.

Original: https://github.com/denoland/deno_std/commit/57c9176b19bf4f4580466e088c249cbe9b145119

1 files changed, 0 insertions, 42 deletions

diff --git a/util/deferred.ts b/util/deferred.ts
deleted file mode 100644
index f52087547..000000000
--- a/util/deferred.ts
+++ /dev/null
@@ -1,42 +0,0 @@
-// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
-
-export type Deferred<T = any, R = Error> = {
-  promise: Promise<T>;
-  resolve: (t?: T) => void;
-  reject: (r?: R) => void;
-  readonly handled: boolean;
-};
-
-/** Create deferred promise that can be resolved and rejected by outside */
-export function defer<T>(): Deferred<T> {
-  let handled = false;
-  let resolve;
-  let reject;
-  const promise = new Promise<T>((res, rej) => {
-    resolve = r => {
-      handled = true;
-      res(r);
-    };
-    reject = r => {
-      handled = true;
-      rej(r);
-    };
-  });
-  return {
-    promise,
-    resolve,
-    reject,
-    get handled() {
-      return handled;
-    }
-  };
-}
-
-export function isDeferred(x): x is Deferred {
-  return (
-    typeof x === "object" &&
-    x.promise instanceof Promise &&
-    typeof x["resolve"] === "function" &&
-    typeof x["reject"] === "function"
-  );
-}