TemplateTagValueNode: $bound is nullable

Author: JanTvrdik

src/Ast/PhpDoc/TemplateTagValueNode.php

@@ -10,13 +10,13 @@ class TemplateTagValueNode implements PhpDocTagValueNode
 	/** @var string */
 	public $name;
 
-	/** @var TypeNode */
+	/** @var TypeNode|null */
 	public $bound;
 
 	/** @var string (may be empty) */
 	public $description;
 
-	public function __construct(string $name, TypeNode $bound, string $description)
+	public function __construct(string $name, ?TypeNode $bound, string $description)
 	{
 		$this->name = $name;
 		$this->bound = $bound;
@@ -26,7 +26,8 @@ public function __construct(string $name, TypeNode $bound, string $description)
 
 	public function __toString(): string
 	{
-		return trim("{$this->name} of {$this->bound} {$this->description}");
+		$bound = $this->bound ? " of {$this->bound}" : '';
+		return trim("{$this->name}{$bound} {$this->description}");
 	}
 
 }

src/Parser/PhpDocParser.php

@@ -293,7 +293,7 @@ private function parseTemplateTagValue(TokenIterator $tokens): Ast\PhpDoc\Templa
 			$bound = $this->typeParser->parse($tokens);
 
 		} else {
-			$bound = new IdentifierTypeNode('mixed');
+			$bound = null;
 		}
 
 		$description = $this->parseOptionalDescription($tokens);

tests/PHPStan/Parser/PhpDocParserTest.php

@@ -2282,7 +2282,7 @@ public function provideTemplateTagsData(): \Iterator
 					'@template',
 					new TemplateTagValueNode(
 						'T',
-						new IdentifierTypeNode('mixed'),
+						null,
 						''
 					)
 				),
@@ -2297,7 +2297,7 @@ public function provideTemplateTagsData(): \Iterator
 					'@template',
 					new TemplateTagValueNode(
 						'T',
-						new IdentifierTypeNode('mixed'),
+						null,
 						'the value type'
 					)
 				),