Merge pull request #156 from jdecool/stringable-implementation

Implement Stringable interface on Enum

composer.json

@@ -29,7 +29,10 @@
     "autoload": {
         "psr-4": {
             "MabeEnum\\": "src/"
-        }
+        },
+        "classmap": [
+            "stubs/Stringable.php"
+        ]
     },
     "autoload-dev": {
         "psr-4": {

psalm.xml

 <?xml version="1.0"?>
 <psalm
-    totallyTyped="true"
     errorLevel="1"
     resolveFromConfigFile="true"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

src/Enum.php

@@ -17,7 +17,7 @@ use LogicException;
  *
  * @psalm-immutable
  */
-abstract class Enum
+abstract class Enum implements \Stringable
 {
     /**
      * The selected enumerator value

stubs/Stringable.php

+<?php
+
+if (\PHP_VERSION_ID < 80000) {
+    interface Stringable
+    {
+        /**
+         * @return string
+         */
+        public function __toString();
+    }
+}