test current performance

Author: staabm

src/Type/Php/ArrayMapFunctionReturnTypeExtension.php

@@ -46,7 +46,8 @@ public function getTypeFromFunctionCall(FunctionReflection $functionReflection,
 		$callback = $functionCall->getArgs()[0]->value;
 		$callableType = $scope->getType($callback);
 		$callableIsNull = $callableType->isNull()->yes();
-
+		$x = !$callableType->isNull()->no();
+		
 		if ($callableType->isCallable()->yes()) {
 			$valueType = $scope->getType(new FuncCall(
 				$callback,