On Sunday, 14 August 2022 09:54:34 PDT Greg McPherran via Std-Proposals wrote:
> I propose a ctor-like re-use/re-init special function that supports
> re-use of objects without any memory operations (new/delete). An analogy
> that I use is the reset() function of unique_ptr. However, my suggestion
> goes beyond that such that this re-use capability is a ctor-like
> once-and-done special function that is not available as a normal
> function - just as the ctor is not available as a normal function once
> the instance has been created.

How is this different from calling the destructor and then using the placement
new on the object?

See:
https://en.cppreference.com/w/cpp/memory/destroy_at
https://en.cppreference.com/w/cpp/memory/construct_at
https://en.cppreference.com/w/cpp/memory/uninitialized_default_construct
https://en.cppreference.com/w/cpp/memory/uninitialized_value_construct

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
   Software Architect - Intel DCAI Cloud Engineering