# Libs-API Meeting 2021-12-22
###### tags: `Libs Meetings` `Minutes`
**Meeting Link**: https://meet.jit.si/rust-libs-meeting-crxoz2at8hiccp7b3ixf89qgxfymlbwr
**Attendees**: ...
## Agenda
- [Open action items](https://hackmd.io/ovrbJj6CRduRgSA0Wzg2zg)
- Triage
- https://github.com/rust-lang/rust/issues/50145
- Anything else?
## Triage
### FCPs
12 open T-libs-api FCPs:
<details><summary><a href="https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AT-libs-api+label%3Aproposed-final-comment-period">12 <code>rust-lang/rust</code> FCPs</a></summary>
- [[merge 84640](https://github.com/rust-lang/rust/issues/84640#issuecomment-829631948)] *Implement \`TryFrom\<char\>\` for \`u8\`* - (0 checkboxes left)
- [[close 56167](https://github.com/rust-lang/rust/issues/56167#issuecomment-910742041)] *Tracking issue for HashMap::raw\_entry* - (3 checkboxes left)
- [[merge 89621](https://github.com/rust-lang/rust/issues/89621#issuecomment-939180524)] *doc: guarantee call order for sort\_by\_cached\_key* - (2 checkboxes left)
- [[merge 89238](https://github.com/rust-lang/rust/issues/89238#issuecomment-927177703)] *deprecate f{32,64}::DIGITS* - (2 checkboxes left)
- [[merge 86369](https://github.com/rust-lang/rust/issues/86369#issuecomment-934899667)] *Tracking Issue for \`io::Cursor::{remaining\_slice, is\_empty}\`* - (3 checkboxes left)
- [[merge 87096](https://github.com/rust-lang/rust/issues/87096#issuecomment-950842917)] *Tracking Issue for \`Stdin::lines\`, \`Stdin::split\` forwarder methods* - (3 checkboxes left)
- [[merge 86845](https://github.com/rust-lang/rust/issues/86845#issuecomment-950843091)] *Tracking Issue for owned locked stdio handles* - (5 checkboxes left)
- [[merge 86941](https://github.com/rust-lang/rust/issues/86941#issuecomment-951378107)] *Stabilise std::is\_aarch64\_feature\_detected* - (2 checkboxes left)
- [[merge 90291](https://github.com/rust-lang/rust/issues/90291#issuecomment-955599591)] *Loosen the bound on the Debug implementation of Weak.* - (3 checkboxes left)
- [[merge 89926](https://github.com/rust-lang/rust/issues/89926#issuecomment-999821427)] *make \`Instant::{duration\_since, elapsed, sub}\` saturating and remove workarounds* - (4 checkboxes left)
- [[merge 90955](https://github.com/rust-lang/rust/issues/90955#issuecomment-971978699)] *windows: Map \`ERROR\_INVALID\_NAME\` as \`InvalidInput\`* - (2 checkboxes left)
- [[merge 90666](https://github.com/rust-lang/rust/issues/90666#issuecomment-980456610)] *Stabilize arc\_new\_cyclic* - (3 checkboxes left)
</details>
<p></p>
[yaahc (4)](https://rfcbot.rs/fcp/yaahc), [m-ou-se (6)](https://rfcbot.rs/fcp/m-ou-se), [Amanieu (1)](https://rfcbot.rs/fcp/Amanieu), [dtolnay (4)](https://rfcbot.rs/fcp/dtolnay), [BurntSushi (11)](https://rfcbot.rs/fcp/BurntSushi), [joshtriplett (6)](https://rfcbot.rs/fcp/joshtriplett)
### Nominated
None
### Waiting on team
- [1 `rust-lang/rust` `T-libs-api` `S-waiting-on-team` items](https://github.com/rust-lang/rust/issues?q=label:T-libs-api+label:S-waiting-on-team+is:open)
- [[92116](https://github.com/rust-lang/rust/pull/92116)] *Add \`Future::poll\_once\`*
- Awaiting use case
### Needs decision
- [2 `rust-lang/rust` `T-libs-api` `I-needs-decision` items](https://github.com/rust-lang/rust/issues?q=label:T-libs-api+label:I-needs-decision+is:open)
- [[84083](https://github.com/rust-lang/rust/pull/84083)] *Clarify the guarantees that ThreadId does and doesn't make.*
- Josh withdraws his objection and starts FCP to merge.
- [[89621](https://github.com/rust-lang/rust/pull/89621)] *doc: guarantee call order for sort\_by\_cached\_key*
- Jane to post comment asking author to reduce PR to "at most once" guarantee, which we can then sign off on.
### Stalled Tracking Issues
- [30 `rust-lang/rust` `T-libs-api` `C-tracking-issue` items](https://github.com/rust-lang/rust/issues?q=label:T-libs-api+label:C-tracking-issue+is:open+sort:updated-asc)
- [[62370](https://github.com/rust-lang/rust/issues/62370)] *Tracking issue for Box::into\_pin (feature \`box\_into\_pin\`)*
- [[64888](https://github.com/rust-lang/rust/issues/64888)] *Tracking issue for \`report\-time\`*
- [[74217](https://github.com/rust-lang/rust/issues/74217)] *Tracking Issue for deque\_range*
- Stabilized already
- [[71213](https://github.com/rust-lang/rust/issues/71213)] *Tracking Issue for \`wasi\_ext\`*
- [[69099](https://github.com/rust-lang/rust/issues/69099)] *Tracking Issue for \`std::cell::{Ref, RefMut}::leak\`*
- Amanieu to ask for use cases
## Actions
- [ ] Reply to all issues/PRs discussed in this meeting, or add them to the [open action items](https://hackmd.io/ovrbJj6CRduRgSA0Wzg2zg).
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