Phobos 3 Discussion Notes - 02-01-2024

[Atila Neves]

On Sunday, 4 February 2024 at 01:14:56 UTC, Adam Wilson wrote:
> On Saturday, 3 February 2024 at 11:54:48 UTC, ryuukk_ wrote:
>> Oh, and Exception Handling?
>>
>> Get in native tuple and tagged union in the language, and 
>> you'll be able to build nice error handling code
>>
>> I hope no EH in Phobos 3
>
> The EH problem has two potential answers.

Three: copy Herb Sutter's idea.

> The first is the sumtype answer. That would be zero runtime 
> cost and would achieve a similar result as the current EH 
> scheme.

Not unless we solve the "bubbling up" issue to avoid pattern 
matching over and over again when none of the N functions in the 
call stack between `main` and the one "throwing" care. So far all 
I know of is Rust's `?` and monads.