From a98c2a4542e19ce4fb632bc32fc47c18273161cc Mon Sep 17 00:00:00 2001
From: Christian Cleberg <hello@cleberg.net>
Date: Sun, 1 Mar 2026 19:32:52 -0600
Subject: convert from PHP to Go

---
 vendor/guzzlehttp/promises/src/Coroutine.php | 151 ---------------------------
 1 file changed, 151 deletions(-)
 delete mode 100644 vendor/guzzlehttp/promises/src/Coroutine.php

(limited to 'vendor/guzzlehttp/promises/src/Coroutine.php')

diff --git a/vendor/guzzlehttp/promises/src/Coroutine.php b/vendor/guzzlehttp/promises/src/Coroutine.php
deleted file mode 100644
index 6aa0958..0000000
--- a/vendor/guzzlehttp/promises/src/Coroutine.php
+++ /dev/null
@@ -1,151 +0,0 @@
-<?php
-namespace GuzzleHttp\Promise;
-
-use Exception;
-use Generator;
-use Throwable;
-
-/**
- * Creates a promise that is resolved using a generator that yields values or
- * promises (somewhat similar to C#'s async keyword).
- *
- * When called, the coroutine function will start an instance of the generator
- * and returns a promise that is fulfilled with its final yielded value.
- *
- * Control is returned back to the generator when the yielded promise settles.
- * This can lead to less verbose code when doing lots of sequential async calls
- * with minimal processing in between.
- *
- *     use GuzzleHttp\Promise;
- *
- *     function createPromise($value) {
- *         return new Promise\FulfilledPromise($value);
- *     }
- *
- *     $promise = Promise\coroutine(function () {
- *         $value = (yield createPromise('a'));
- *         try {
- *             $value = (yield createPromise($value . 'b'));
- *         } catch (\Exception $e) {
- *             // The promise was rejected.
- *         }
- *         yield $value . 'c';
- *     });
- *
- *     // Outputs "abc"
- *     $promise->then(function ($v) { echo $v; });
- *
- * @param callable $generatorFn Generator function to wrap into a promise.
- *
- * @return Promise
- * @link https://github.com/petkaantonov/bluebird/blob/master/API.md#generators inspiration
- */
-final class Coroutine implements PromiseInterface
-{
-    /**
-     * @var PromiseInterface|null
-     */
-    private $currentPromise;
-
-    /**
-     * @var Generator
-     */
-    private $generator;
-
-    /**
-     * @var Promise
-     */
-    private $result;
-
-    public function __construct(callable $generatorFn)
-    {
-        $this->generator = $generatorFn();
-        $this->result = new Promise(function () {
-            while (isset($this->currentPromise)) {
-                $this->currentPromise->wait();
-            }
-        });
-        $this->nextCoroutine($this->generator->current());
-    }
-
-    public function then(
-        callable $onFulfilled = null,
-        callable $onRejected = null
-    ) {
-        return $this->result->then($onFulfilled, $onRejected);
-    }
-
-    public function otherwise(callable $onRejected)
-    {
-        return $this->result->otherwise($onRejected);
-    }
-
-    public function wait($unwrap = true)
-    {
-        return $this->result->wait($unwrap);
-    }
-
-    public function getState()
-    {
-        return $this->result->getState();
-    }
-
-    public function resolve($value)
-    {
-        $this->result->resolve($value);
-    }
-
-    public function reject($reason)
-    {
-        $this->result->reject($reason);
-    }
-
-    public function cancel()
-    {
-        $this->currentPromise->cancel();
-        $this->result->cancel();
-    }
-
-    private function nextCoroutine($yielded)
-    {
-        $this->currentPromise = promise_for($yielded)
-            ->then([$this, '_handleSuccess'], [$this, '_handleFailure']);
-    }
-
-    /**
-     * @internal
-     */
-    public function _handleSuccess($value)
-    {
-        unset($this->currentPromise);
-        try {
-            $next = $this->generator->send($value);
-            if ($this->generator->valid()) {
-                $this->nextCoroutine($next);
-            } else {
-                $this->result->resolve($value);
-            }
-        } catch (Exception $exception) {
-            $this->result->reject($exception);
-        } catch (Throwable $throwable) {
-            $this->result->reject($throwable);
-        }
-    }
-
-    /**
-     * @internal
-     */
-    public function _handleFailure($reason)
-    {
-        unset($this->currentPromise);
-        try {
-            $nextYield = $this->generator->throw(exception_for($reason));
-            // The throw was caught, so keep iterating on the coroutine
-            $this->nextCoroutine($nextYield);
-        } catch (Exception $exception) {
-            $this->result->reject($exception);
-        } catch (Throwable $throwable) {
-            $this->result->reject($throwable);
-        }
-    }
-}
-- 
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