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Bug Report / Feature Request
When implementing the Symfony Form DataMapperInterface it will currently throw the following error:
Method MyApp\FormType::mapDataToForms()
has parameter $forms with generic interface
Symfony\Component\Form\FormInterface but does not specify its types:
TData When fixing this by defining TData for the FormInterface in the class that implements the DataMapperInterface, the type will be different from the interface resulting in an error:
/**
* @param Traversable<FormInterface<mixed>> $forms
*/
public function mapDataToForms(mixed $viewData, Traversable $forms): voidNote: I've typed TData of FormInterface to mixed since
$formsstands for the child forms of the form which is using the data mapper and so can have multiple types.
Parameter #2 $forms (Traversable<mixed,
Symfony\Component\Form\FormInterface<mixed>>) of method
MyApp\FormType::mapDataToForms()
should be contravariant with parameter $forms (Traversable<mixed,
Symfony\Component\Form\FormInterface>) of method
Symfony\Component\Form\DataMapperInterface::mapDataToForms() Unless I'm missing something it looks that a stub for Symfony Form DataMapperInterface is not provided yet.
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