Thank you

On Wed, Dec 4, 2024 at 5:24 PM Jonathan Wakely <cxx_at_[hidden]> wrote:

>
>
> On Wed, 4 Dec 2024 at 15:16, Baruch Burstein via Std-Proposals <
> std-proposals_at_[hidden]> wrote:
>
>> Hi,
>> std::optional and std::expected have a function `T value_or<U>(...)`
>> which returns the value passed to the function if no value is available in
>> the object. It gets annoyingly verbose when I want a default-constructed T
>> to be the default value and T is some long type name. I would like to
>> suggest having an overload that does not accept any parameter and returns a
>> default constructed T. Effectively it would be something like this:
>>
>> constexpr T value_or() const& { return value_or(T{}); }
>> constexpr T value_or() && { return value_or(T{}); }
>>
>> Currently I need to either alias type names or use the annoying:
>>
>> my_optional_obj.value_or(some_long_ns::some_long_type_name{});
>>
>> Any opinions?
>>
>
> See https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2024/p3413r0.pdf
>
>