[cpp]: std::codecvt_utf8 is deprecated since C++17, and is removed in C++26.

[daantimmer]

🤔 What's the problem you've observed?

The following two lines cause an issue in compilers set to C++17 or higher. Causing a deprecated declaration warning. This warning is ignorable of course. However, it is not ignorable that std::codecvt_utf8 is set to be removed in C++26. So compilers set to C++26 will not be able to built/usage the C++ implementation of cucumber/gherkin

gherkin/cpp/include/gherkin/cucumber/gherkin/utils.hpp

Line 34 in 2cbeea3

std::wstring_convert<std::codecvt_utf8<char32_t>,char32_t> cv;

gherkin/cpp/include/gherkin/cucumber/gherkin/utils.hpp

Line 45 in 2cbeea3

std::wstring_convert<std::codecvt_utf8<char32_t>,char32_t> cv;

Reference: https://en.cppreference.com/w/cpp/locale/codecvt_utf8.html

✨ Do you have a proposal for making it better?

I currently don't have sufficient knowledge on the UTF/codecvt part of the library to make a decent proposal

📚 Any additional context?

No response

[daantimmer]

Hello @chybz I've assigned you, hoping you might have a solution