The Future Trait Has A Missing State
0 comments · rust
- Comments8
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#8Peak rank
3Days on list
9Score · 7d
Oct 29, 2026First seen
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rust
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- 26
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- blog.yoshuawuyts.com
Story details from Lobsters ↗ · linked article on blog.yoshuawuyts.com.
Trending history
The Future Trait Has A Missing State was first seen on Lobsters · Hottest on Oct 29, 2026. Since then it has appeared in 64 checks on 3 different days. Its best position was #8 of 25, reached on Oct 29, 14:49 UTC. It dropped off the list after Nov 1, 17:21 UTC.
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Best rank per day (UTC).
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Oct 26today
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From the discussion
A few top-level comments from Lobsters, shortened. Read the full thread on Lobsters.
I don't really understand the problem here, and I think panicking when you attempt to poll a future after it has already completed is a fine behaviour. To me, the behaviour of `Fuse::poll` when called on a terminated future is a smell akin to handling EBADF from syscalls. It too should panic because doing so…
> However this unfortunately abuses `Poll::Pending`, whose docs state: "When a function returns `Pending`, the function must also ensure that the current task is scheduled to be awoken when progress can be made." This definition is incompatible with how `Fuse` uses `Pending`, and so bringing it into the stdlib would…
The author clearly has expertise here which I will defer to, but I'm not sure I understand this argument. It seems like under what they are proposing, every future would be internalizing the business logic of `MaybeDone`? But then there is the possibility that this business logic is implemented incorrectly. Is that…
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Is The Future Trait Has A Missing State trending on Lobsters right now?
Not at the moment. It was last on the list on Nov 1, 17:21 UTC, after 3 days of trending.
What is the highest rank The Future Trait Has A Missing State reached?
#8 on Lobsters · Hottest, on Oct 29, 14:49 UTC. Trendoday checks this list every 30 minutes.
How long has The Future Trait Has A Missing State been trending?
It was first seen on Oct 29, 2026 and has been on the list on 3 days (64 checks) since.