std::pmr::u...:do_is_equal(3)

✨ NAME ✨

okay so bestie, this is the std::pmr::u...:do_is_equal(3) page from the C++ Standard Libary manual (yes, that's the manual name, we're keeping it exactly). The NAME section is doing its little echo thing: std::pmr::unsynchronized_pool_resource::do_is_equal — std::pmr::unsynchronized_pool_resource::do_is_equal. iconic, no notes.

🌸 Synopsis 🌸

          virtual bool do_is_equal( const std::pmr::memory_resource& other )
       (since C++17)
          const noexcept;

So it's virtual, it's const noexcept, and it's been here since C++17. slay.

Compare *this with other for identity — memory allocated using an unsynchronized_pool_resource can only be deallocated using that same resource. that's the whole vibe check right there.

🎀 Return value 🎀

it returns literally this == &other. that's it. that's the return value. short, sweet, zero drama.

💀 Defect report 💀

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

• DR LWG 3000 — applied to C++17; behavior as published: unnecessary dynamic_cast was performed; correct behavior: removed.

we love a retroactive glow-up.

🌈 See also 🌈

• do_is_equal — compare for equality with another memory_resource [virtual] (virtual private member function of std::pmr::memory_resource).

🫶 source: http://cppreference.com • date/version: 2024.06.10 • page: std::pmr::u...:do_is_equal(3) — bye bestie, hydrate and keep your memory resource identity correct 💖✨