v1.0 Initial commit of project

vendor/myclabs/php-enum/static-analysis/EnumIsPure.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MyCLabs\Tests\Enum\StaticAnalysis;
+
+use MyCLabs\Enum\Enum;
+
+/**
+ * @method static PureEnum A()
+ * @method static PureEnum C()
+ *
+ * @psalm-immutable
+ * @psalm-template T of 'A'|'B'
+ * @template-extends Enum<T>
+ */
+final class PureEnum extends Enum
+{
+    const A = 'A';
+    const C = 'C';
+}
+
+/** @psalm-pure */
+function enumFetchViaMagicMethodIsPure(): PureEnum
+{
+    return PureEnum::A();
+}
+
+/** @psalm-pure */
+function enumFetchViaExplicitMagicCallIsPure(): PureEnum
+{
+    return PureEnum::__callStatic('A', []);
+}