Exception free error handling

[alfred-666]

Some environments don't have luxury of exception so having exception free code paths would be great

[jamesdbrock]

Yes, I agree.

[jamesdbrock]

What do you think this would look like, ideally?

Would you use a lot of std::variant return types? Or std::expected?

[alfred-666]

I actually like std::expected but its C++23 which is really std:: variant underneath.

Maybe we can fallback to https://github.com/TartanLlama/expected

[jamesdbrock]

Yeah, std::expected would be ideal.

hffix currently has two properties which I like to preserve, if possible:

1. C++ language requires only C++98.
2. No dependencies except the standard library.

But maybe it's time to start relaxing these requirements.

May I ask, what is your build environment? You have C++23 but you don't have exceptions?

[alfred-666]

we can keep both of the requirements by bundling the above library in the source code. it's header only so i don't expect any issues.

I have C++20 with exception disabled because of hard latency requirements.

[marlowa]

I second the requirement from alfred-666. I am in a cpp17 env so cannot use std::expected. I'm aware of the expected in github by Sy Brand but agree with you that it is undesirable to have a blatent dependency on that by hffix. Perhaps bundling is the answer there but I am not sure. This thread is quite old, are there any plans to address the issue please?