In https://www.youtube.com/watch?v=nVzgkepAg5Y
Andrei describes his proposal for STL `Expected` planned to be included in C++20.
Have anybody converted the C++ proposal to idiomatic D, yet?Hopefully without the pointer-legacy which unfortunately was allowed into `std:optional`.
Andrei claims we should it as return types for non-throwing variants of parse() and to() in the works at
https://github.com/dlang/phobos/pull/6665
