On 19 April 2017 at 20:48, Konstantin Tokarev <[email protected]> wrote:
>
>
> 19.04.2017, 20:43, "Thiago Macieira" <[email protected]>:
>> On quarta-feira, 19 de abril de 2017 06:44:24 PDT Konstantin Tokarev wrote:
>>> Hello,
>>>
>>> I think it will be a good idea to provide implementation of functor calling
>>> deleteLater() instead of delete which can be used with std::unique_ptr,
>>> std::shared_ptr and other smart pointers with compatible interface.
>>>
>>> We already have QScopedPointerObjectDeleteLater, however it implements
>>> cleanup(T*) instead of operator()(T*).
>>>
>>> Any suggestions how to name this new class and where to place it?
>>
>> QSharedPointer already supports a PMF as a deleter.
>>
>> auto ptr = QSharedPointer<QObject *>(new QObject,
>> &QObject::deleteLater);
>>
>> So I think this actually belongs in the std-proposals mailing list, not in
>> Qt.
>>
>> Until C++20 gets it, you can use a lambda.
>
> It's not possible to have members with auto-deduced types in non-template
> class,
> so I actually cannot.
I fail to see what auto-deduced members have to do with it:
std::unique_ptr<QObject, void(*)(QObject*)> upqobj{nullptr,
[](QObject* obj) { obj->deleteLater(); }};
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