220 37898 <CAFk2RUae1PpsbbQMhS+sQ24CjLtE+QUhjQtJk_wKCGJtHfZkEg@mail.gmail.com> article
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From: Ville Voutilainen <ville.voutilainen@gmail.com>
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Subject: Re: API versioning: functions: overload; classes:
 typedef; variables: <meep>
Date: Fri, 20 Apr 2018 15:59:49 +0300
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On 20 April 2018 at 15:25,  <inkwizytoryankes@gmail.com> wrote:
>> See http://open-std.org/JTC1/SC22/WG21/docs/papers/2018/p0945r0.html
>> We're going to review it in Rapperswil.
>
>
> I have case:
>
> class F
> {
>    using ThisType = F;
>    ThisType()
>    {
>
>    }
>    ~ThisType()
>    {
>
>    }
> };
> I will be allowed? Or it still special case that can't be changed?


Yes, the proposal allows it. Quoth:

"As with the existing alias-declaration, this new form is permitted at
namespace scope, block scope, and within class definitions. An
alias-declaration that names a non-static data member or non-static
member function may only appear as a member-declaration of the same
class or one of its derived classes. An alias-declaration that names a
namespace may not appear at class scope. No other restrictions are
proposed on the kind of entity that may be named by the id-expression.

For consistency, we propose removing those restrictions from
using-declarations that are not present for this form of
alias-declaration:

A class-scope using-declaration may name a non-class member"

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