ClassStructureSniff: Fixed internal error

Author: kukulich

SlevomatCodingStandard/Sniffs/Classes/ClassStructureSniff.php

@@ -275,7 +275,7 @@ private function findNextGroup(File $phpcsFile, int $pointer, array $rootScopeTo
 			$currentTokenPointer = TokenHelper::findNext(
 				$phpcsFile,
 				$groupTokenTypes,
-				$currentToken['scope_closer'] ?? $currentTokenPointer + 1,
+				($currentToken['scope_closer'] ?? $currentTokenPointer) + 1,
 				$rootScopeToken['scope_closer']
 			);
 			if ($currentTokenPointer === null) {

tests/Sniffs/Classes/data/classStructureSniffNoErrors.php

@@ -218,3 +218,14 @@ public function notAbtractMethod()
 	}
 
 }
+
+class WithArrowFunction extends Something
+{
+
+	public function findBySlug(string $slug)
+	{
+		return (new Something())
+			->first(static fn ($distinction) => $distinction->getSlug() === $slug);
+	}
+
+}