1 files changed, 76 insertions, 0 deletions
diff --git a/vendor/sebastian/type/src/IterableType.php b/vendor/sebastian/type/src/IterableType.php
new file mode 100644
index 000000000..c5bc6627b
--- /dev/null
+++ b/vendor/sebastian/type/src/IterableType.php
@@ -0,0 +1,76 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/type.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Type;
+
+use function assert;
+use function class_exists;
+use function is_iterable;
+use ReflectionClass;
+use ReflectionException;
+
+final class IterableType extends Type
+{
+    /**
+     * @var bool
+     */
+    private $allowsNull;
+
+    public function __construct(bool $nullable)
+    {
+        $this->allowsNull = $nullable;
+    }
+
+    /**
+     * @throws RuntimeException
+     */
+    public function isAssignable(Type $other): bool
+    {
+        if ($this->allowsNull && $other instanceof NullType) {
+            return true;
+        }
+
+        if ($other instanceof self) {
+            return true;
+        }
+
+        if ($other instanceof SimpleType) {
+            return is_iterable($other->value());
+        }
+
+        if ($other instanceof ObjectType) {
+            $className = $other->className()->qualifiedName();
+            assert(class_exists($className));
+
+            try {
+                return (new ReflectionClass($className))->isIterable();
+                // @codeCoverageIgnoreStart
+            } catch (ReflectionException $e) {
+                throw new RuntimeException(
+                    $e->getMessage(),
+                    (int) $e->getCode(),
+                    $e
+                );
+                // @codeCoverageIgnoreEnd
+            }
+        }
+
+        return false;
+    }
+
+    public function name(): string
+    {
+        return 'iterable';
+    }
+
+    public function allowsNull(): bool
+    {
+        return $this->allowsNull;
+    }
+}