Implement StringableInterface

composer.json

@@ -2,7 +2,8 @@
     "name": "potter/renderable",
     "type": "library",
     "require": {
-        "php": "^8.4"
+        "php": "^8.4",
+        "potter/stringable": "dev-main"
     },
     "license": "MIT",
     "autoload": {

src/Potter/Renderable/RenderableInterface.php

@@ -4,7 +4,9 @@ declare(strict_types=1);
 
 namespace Potter\Renderable;
 
-interface RenderableInterface 
+use \Potter\Stringable\StringableInterface;
+
+interface RenderableInterface extends StringableInterface
 {
      public function render(): string;
 }

src/Potter/Renderable/RenderableTrait.php

@@ -6,5 +6,10 @@ namespace Potter\Renderable;
 
 trait RenderableTrait 
 {
+    final public function __toString(): string
+    {
+        return $this->render();
+    }
+    
     abstract public function render(): string;
 }