BREAKING(std): reorganization (#5087)

* Prepend underscores to private modules
* Remove collectUint8Arrays() It would be a misuse of Deno.iter()'s result.
* Move std/_util/async.ts to std/async
* Move std/util/sha*.ts to std/hash

1 files changed, 0 insertions, 53 deletions

diff --git a/std/io/iotest.ts b/std/io/iotest.ts
deleted file mode 100644
index a309fb5e1..000000000
--- a/std/io/iotest.ts
+++ /dev/null
@@ -1,53 +0,0 @@
-// Ported to Deno from
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-type Reader = Deno.Reader;
-
-/** OneByteReader returns a Reader that implements
- * each non-empty Read by reading one byte from r.
- */
-export class OneByteReader implements Reader {
-  constructor(readonly r: Reader) {}
-
-  read(p: Uint8Array): Promise<number | null> {
-    if (p.byteLength === 0) {
-      return Promise.resolve(0);
-    }
-    if (!(p instanceof Uint8Array)) {
-      throw Error("expected Uint8Array");
-    }
-    return Promise.resolve(this.r.read(p.subarray(0, 1)));
-  }
-}
-
-/** HalfReader returns a Reader that implements Read
- * by reading half as many requested bytes from r.
- */
-export class HalfReader implements Reader {
-  constructor(readonly r: Reader) {}
-
-  read(p: Uint8Array): Promise<number | null> {
-    if (!(p instanceof Uint8Array)) {
-      throw Error("expected Uint8Array");
-    }
-    const half = Math.floor((p.byteLength + 1) / 2);
-    return Promise.resolve(this.r.read(p.subarray(0, half)));
-  }
-}
-
-/** TimeoutReader returns `Deno.errors.TimedOut` on the second read
- * with no data. Subsequent calls to read succeed.
- */
-export class TimeoutReader implements Reader {
-  count = 0;
-  constructor(readonly r: Reader) {}
-
-  read(p: Uint8Array): Promise<number | null> {
-    this.count++;
-    if (this.count === 2) {
-      throw new Deno.errors.TimedOut();
-    }
-    return Promise.resolve(this.r.read(p));
-  }
-}