Hi again, since I don't have commit rights, could you please merge this patch into the project sources? Thanks in advance.

@rsmith Of course. Not sure what's better: to submit one patch per case or submit all of them in one patch (didn't deal much with them, not sure how big will the change be)?

@Rakete1111 Any more comments?

Friendly ping (:

Not sure if you guys are still reviewing this. Do you have any more thoughts? If no, what should I do to move further with the patch?

@Rakete1111 or anyone else, any more comments? (:

Added missing semicolon.

Added test cases for the code.

Thanks for the advice. Should I update a new diff with -U99999?

@Rakete1111 Thank you for the comments. You're perfectly right, there was an issue in my code. I've fixed it and also E1 and E2 will be sequenced only in C++ >= 17.

Thanks for pointing that out. You're probably right, these two calls are self-explanatory.

@djasper You're probably right. Thanks anyway for your time (: