Libs Meeting 2021-04-14

# Libs Meeting 2021-04-14 ###### tags: `Libs Meetings` `Minutes` **Attendees**: ... ## Agenda - [Open action items](https://hackmd.io/ovrbJj6CRduRgSA0Wzg2zg) - Triage - Anything else? ## Triage ### FCPs 6 open T-libs FCPs: ([Amanieu (1)](https://rfcbot.rs/fcp/Amanieu), [BurntSushi (3)](https://rfcbot.rs/fcp/BurntSushi), [dtolnay (0)](https://rfcbot.rs/fcp/dtolnay), [joshtriplett (1)](https://rfcbot.rs/fcp/joshtriplett), [m-ou-se (3)](https://rfcbot.rs/fcp/m-ou-se), [sfackler (3)](https://rfcbot.rs/fcp/sfackler)) - <a href="https://github.com/rust-lang/rfcs/issues?q=is%3Aopen+label%3AT-libs+label%3Aproposed-final-comment-period">2 <code>rust-lang/rfcs</code> FCPs</a> - [[postpone 2594](https://github.com/rust-lang/rfcs/issues/2594#issuecomment-810282446)] *RFC: Custom DSTs* - (2 checkboxes left) - [[merge 2509](https://github.com/rust-lang/rfcs/issues/2509#issuecomment-801294327)] *RFC: Introduce \`concat\_bytes!()\` to join \`\[u8\]\` and byte \`str\` analogous to \`concat!\` for \`str\`* - (2 checkboxes left) - Don't accept integers. - Accepting array syntax would be a better solution. - Diagnostic to suggest alternative for `concat_bytes!(123)` - <a href="https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AT-libs+label%3Aproposed-final-comment-period">4 <code>rust-lang/rust</code> FCPs</a> - [[merge 84111](https://github.com/rust-lang/rust/issues/84111#issuecomment-818005366)] *Stabilize \`impl From<\[(K, V); N\]> for HashMap\`* - (3 checkboxes left) - r+ - [[merge 84147](https://github.com/rust-lang/rust/issues/84147#issuecomment-818988924)] *Cautiously add IntoIterator for arrays by value* - (3 checkboxes left) - yay - [[merge 81050](https://github.com/rust-lang/rust/issues/81050#issuecomment-765341798)] *Stabilize core::task::ready!* - (1 checkboxes left) - `ready!()` could seem like it creates a ready future instead. - needs bikeshed </details> <p></p> ### Nominated - [0 `rust-lang/rfcs` items](https://github.com/rust-lang/rfcs/issues?q=is%3Aopen+label%3AT-libs+label%3AI-nominated) - [4 `rust-lang/rust` items](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AT-libs+label%3AI-nominated) - [[78271](https://github.com/rust-lang/rust/issues/78271)] *Tracking Issue for feature: "option\_insert"* - Still happy with `insert` - [[82786](https://github.com/rust-lang/rust/pull/82786)] *add the bool::not method.* - 'inherent traits' would also solve this. - we could still merge this, and replace it with inherent Not for bool later. but this PR will cause unused import warnings for Not. - [[83167](https://github.com/rust-lang/rust/issues/83167)] *Use const generics for stdarch intrinsics* - [[83994](https://github.com/rust-lang/rust/issues/83994)] *Exiting a process calls exit() which isn’t thread\-safe* - If all libc implementations have a thread-safe `exit()`, then we should just close this. ### Waiting on team - [0 `rust-lang/rfcs` items](https://github.com/rust-lang/rfcs/issues?q=is%3Aopen+label%3AT-libs+label%3AS-waiting-on-team) - [4 `rust-lang/rust` items](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AT-libs+label%3AS-waiting-on-team) - [[76901](https://github.com/rust-lang/rust/pull/76901)] *Implement RFC 2500 Needle API (Part 1)* - [[81642](https://github.com/rust-lang/rust/pull/81642)] *Allow deriving Into for primitive enums* - Bit too much for a regular PR. RFC? - [[81988](https://github.com/rust-lang/rust/pull/81988)] *Add doc aliases for a lot of the C standard library* - [[81989](https://github.com/rust-lang/rust/pull/81989)] *Add doc aliases for python and Java collections* ### Needs decision - [7 `rust-lang/rust` items](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3AT-libs+label%3AI-needs-decision) - [[25053](https://github.com/rust-lang/rust/issues/25053)] *UnsafeCell should implement the Copy trait* - [[26951](https://github.com/rust-lang/rust/issues/26951)] *Abort on some large allocation requests, Panic on other* - [[29494](https://github.com/rust-lang/rust/issues/29494)] *Command does not escape arguments as expected on windows* - [[37868](https://github.com/rust-lang/rust/issues/37868)] *std::process::Command's current\_dir behaves differently on Unix and Windows, with respect to relative exe paths* - [[56889](https://github.com/rust-lang/rust/issues/56889)] *Write::write\_all erroring when encountering Ok(0) interacts poorly with the contract of Write::write* - [[59878](https://github.com/rust-lang/rust/issues/59878)] *Box\<\[T\]\> should have an IntoIter implementation.* - [[62726](https://github.com/rust-lang/rust/issues/62726)] *Tracking issue for io\_slice\_advance* ### Tracking issues - Proposal: change the script to generate this query (omitting specific labels) - [203 `rust-lang/rust` items](https://github.com/rust-lang/rust/issues?page=6&q=is%3Aopen+label%3AT-libs+label%3AC-tracking-issue+-label%3AB-RFC-approved+-label%3AE-needs-test+-label%3Afinished-final-comment-period+-label%3Afinal-comment-period+-label%3AI-needs-decision) ## Actions - [x] Reply to all issues/PRs discussed in this meeting, or add them to the [open action items](https://hackmd.io/ovrbJj6CRduRgSA0Wzg2zg). _Generated by [fully-automatic-rust-libs-team-triage-meeting-agenda-generator](https://github.com/rust-lang/libs-team/tree/main/tools/agenda-generator)_