Date: Mon, 13 Jul 2020 20:56:36 +0300
On 2020-07-13 20:19, Thiago Macieira via Std-Discussion wrote:
> On Monday, 13 July 2020 09:52:18 PDT Mandeep Sandhu via Std-Discussion wrote:
>> I wonder if const string objects can point to string literals kept in
>> the .rodata section without having the need to allocate for it at
>> runtime (or do they already do something similar currently?).
>
> They can't.
>
> Ideally a constexpr string object using constexpr operator new could do that,
> but such a thing does not exist in C++ yet and definitely did not for C++11 or
> C++14.
>
> The best you can get until is to benefit from the Small String Optimisation.
Using string_view instead of string would be better yet.
> On Monday, 13 July 2020 09:52:18 PDT Mandeep Sandhu via Std-Discussion wrote:
>> I wonder if const string objects can point to string literals kept in
>> the .rodata section without having the need to allocate for it at
>> runtime (or do they already do something similar currently?).
>
> They can't.
>
> Ideally a constexpr string object using constexpr operator new could do that,
> but such a thing does not exist in C++ yet and definitely did not for C++11 or
> C++14.
>
> The best you can get until is to benefit from the Small String Optimisation.
Using string_view instead of string would be better yet.
Received on 2020-07-13 12:59:56