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I decided to post it a day early. We had the solution to self-referential generators inside us all along.

boats.gitlab.io

Async/Await III: Moving Forward with Something Shippable

In the first post, we looked at the relationship between generators and a more general notion of self-references. In the second post, we narrowed down exactly what problem we need to solve to make …

Brendan Zabarauskas

@brendanzab

Replying to

@withoutboats

Would be interested to know what the future thinking on effects systems is in conjunction with async/await? Do you think there is room to retrofit later, or will we need a new language? I've mumbled about it before, but it was brought up again on reddit: reddit.com/r/rust/comment

2:22 PM · Feb 5, 2018Twitter Web Client

Replying to

I am not optimistic that any of these FP concepts can be implemented in a zero cost way compatible with Rust's ownership & borrowing system

Brendan Zabarauskas

@brendanzab

Feb 5, 2018

I dunno, perhaps I am a bit more optimistic! I'm more pessimistic about handlers in their current state, but even just tagging the effects of functions would be useful. Might take a bit of work to figure out though.