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nikomatsakisNiko Matsakis
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Niko Matsakis
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Lang team champions (#247)
* define lang-team champion role * macros: scale back commitment to assigning a champion * TC as champion for GPU Offload * remove lang team ask from arm goal * const-traits: assign nikomatsakis as champion * rustc codegen: assign TC as lang-team champion * field projection: not accepted, no bandwidth :( * ergonomic RC: assign nikomatsakis as champion move away from completing RFC for now * eii: assign nikomatsakis as champion * safe linking: assign nikomatsakis as champion * unsafe fields: assign scottmcm as champion * seamless Rust: assign tmandry as champion * min generic const arguments: fix comma * sve: davidtwco is an advisor, make him champion * extend TEMPLATE with lang-team champion * async: pare back, assign champions * RTN, unsafe binders, AFIDT: nikomatsakis * generators, impl trait aliases, pin ergonomics: tmandry * Revert "macros: scale back commitment to assigning a champion" This reverts commit edc3909. * assign joshtriplett as champion for macros and restore the RFC decision ask. Doesn't seem undoable. * remove stabilizaiton proposals for macros too soon --------- Co-authored-by: Niko Matsakis <nikomat@amazon.com>
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‎rust-project-goals.toml

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"Deploy to production" = { short="Deploy", about="deploy code to production (e.g., on crates.io" }
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"Standard reviews" = { short="r?", about="review PRs (PRs are not expected to be unduly large or complicated)" }
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"Dedicated reviewer" = { short="Ded. r?", about="assign a specific person (or people) to review a series of PRs, appropriate for large or complex asks" }
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"Lang-team champion" = { short="Champion", about="begin a [lang-team experiment](https://lang-team.rust-lang.org/how_to/experiment.html) authorizing experimental impl of lang changes before an RFC is written; limited to trusted contributors" }
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"Lang-team champion" = { short="Champion", about="member of lang team or advisors who will champion the design within team" }
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"Lang-team experiment" = { short="Experiment", about="begin a [lang-team experiment](https://lang-team.rust-lang.org/how_to/experiment.html) authorizing experimental impl of lang changes before an RFC is written; limited to trusted contributors" }
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"Design meeting" = { short="Design mtg.", about="hold a synchronous meeting to review a proposal and provide feedback (no decision expected)" }
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"RFC decision" = { short="RFC", about="review an RFC and deciding whether to accept" }

‎src/2025h1/GPU-Offload.md

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| Task | Owner(s) or team(s) | Notes |
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|----------------------|------------------------|------------|
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| Development | @ZuseZ4 | |
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| Lang-team experiment | ![Team][] [lang][] | (approved) |
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| Lang-team experiment | ![Team][] [lang][] | ![Complete][] |
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| Lang-team champion | ![Team][] [lang][] | @traviscross |
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| Standard reviews | ![Team][] [compiler][] | |
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[Team]: https://img.shields.io/badge/Team%20ask-red

‎src/2025h1/arm-sve-sme.md

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|---------------------------------------|---------------------------|-------------------------------------------------------------------------------|
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| Land nightly experiment for SVE types | @JamieCunliffe | |
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| Author RFC | | Update [rfcs#3268][rfc_sve], will still rely on exceptions in the type system |
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| RFC decision | ![Team][] [lang], [types] | |
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| RFC decision | ![Team][] [types] | |
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| Implementation | | Update [rust#118917][impl_sve] |
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| Standard reviews | ![Team][] [compiler] | |
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|---------------------------------------------------|---------------------------|-------|
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| Extending type system to support scalable vectors | @davidtwco | |
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| Author RFC | | |
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| RFC decision | ![Team][] [lang], [types] | |
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| Lang-team champion | ![Team][] [lang] | @davidtwco |
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| RFC decision | ![Team][] [types], [lang] | |
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| Implementation | | |
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| Standard reviews | ![Team][] [compiler] | |
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‎src/2025h1/async.md

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# Bring the Async Rust experience closer to parity with sync Rust
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| Metadata | |
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| :--------------- | ---------------------------------- |
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|:-----------------|------------------------------------|
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| Short title | Async |
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| Point of contact | @tmandry |
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| Teams | <!-- TEAMS WITH ASKS --> |
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#### Work toward asynchronous generators
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* Have design meetings and ratify an RFC for synchronous generators
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* Have a design meeting for asynchronous iteration
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* Have design meetings and ratify an RFC for a syntax for authoring synchronous iterators (e.g., synchronous generators)
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* Stretch goal: Ratify an RFC for unsafe binders
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In H2 we hope to tackle the following:
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* RTN in type position
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* Ratified RFC for asynchronous iteration
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* Ratified RFC for syntactic support for asynchronous iteration
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### The "shiny future" we are working towards
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### Overall program management
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| Task | Owner(s) or team(s) | Notes |
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| -------------------- | ------------------- | ----- |
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|----------------------|---------------------|-------|
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| AFIT story blog post | @tmandry | |
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### Return type notation
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| Task | Owner(s) or team(s) | Notes |
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| ------------------------------ | -------------------------------------------------- | ------------- |
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|--------------------------------|----------------------------------------------------|---------------|
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| Initial implementation | @compiler-errors | ![Complete][] |
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| Author RFC | @nikomatsakis | ![Complete][] |
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| RFC decision | ![Team][] [lang] | ![Complete][] |
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| Finished implementation | @compiler-errors | ![Complete][] |
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| Lang-team champion | ![Team][] [lang] | @nikomatsakis |
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| Standard reviews | ![Team][] [types], [compiler] | |
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| Author stabilization report | @compiler-errors | |
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| Author specification 1st draft | TBD (@compiler-errors, @tmandry, or @nikomatsakis) | |
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| Finalize specification text | ![Team][] [spec] | @nikomatsakis |
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| Finalize specification text | ![Team][] [spec] | @nikomatsakis |
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| Stabilization decision | ![Team][] [lang], [types] | |
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### Unsafe binders
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| Task | Owner(s) or team(s) | Notes |
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| ---------------------- | ------------------------- | ------------ |
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| Initial implementation | @compiler-errors | Stretch goal |
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| Author RFC | @nikomatsakis | Stretch goal |
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| RFC decision | ![Team][] [lang], [types] | Stretch goal |
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| Task | Owner(s) or team(s) | Notes |
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|------------------------|---------------------------|-------------------------|
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| Initial implementation | @compiler-errors | Stretch goal |
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| Author RFC | @nikomatsakis | Stretch goal |
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| Lang-team champion | ![Team][] [lang] | @nikomatsakis (stretch) |
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| RFC decision | ![Team][] [lang], [types] | Stretch goal |
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### Implementable trait aliases
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| Task | Owner(s) or team(s) | Notes |
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| ---------------- | ----------------------------- | ----- |
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| Author RFC | @tmandry | |
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| Implementation | @compiler-errors | |
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| Standard reviews | ![Team][] [types], [compiler] | |
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| RFC decision | ![Team][] [lang], [types] | |
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| Task | Owner(s) or team(s) | Notes |
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|--------------------|-------------------------------|----------|
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| Author RFC | @tmandry | |
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| Implementation | @compiler-errors | |
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| Lang-team champion | ![Team][] [lang] | @tmandry |
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| Standard reviews | ![Team][] [types], [compiler] | |
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| RFC decision | ![Team][] [lang], [types] | |
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### `async fn` in `dyn Trait`
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| Task | Owner(s) or team(s) | Notes |
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| -------------------- | ------------------- | ------------ |
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| Lang-team experiment | @nikomatsakis | (Approved) |
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| Implementation | @compiler-errors | Stretch goal |
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| Task | Owner(s) or team(s) | Notes |
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|----------------------|---------------------|---------------|
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| Lang-team experiment | @nikomatsakis | (Approved) |
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| Lang-team champion | ![Team][] [lang] | @nikomatsakis |
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| Implementation | @compiler-errors | Stretch goal |
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### Pin reborrowing
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### Pin ergonomics
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| Task | Owner(s) or team(s) | Notes |
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| ---------------- | ------------------- | ----- |
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| Implementation | @eholk | |
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| Author RFC | @eholk | |
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| RFC decision | ![Team][] [lang] | |
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| RFC secondary review | ![Team][] [types] | |
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### Safe pin projection
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| Task | Owner(s) or team(s) | Notes |
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| -------------------- | ------------------- | ------------ |
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| Implementation | | Stretch goal |
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| Design meeting | ![Team][] [lang] | Stretch goal |
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| Task | Owner(s) or team(s) | Notes |
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|----------------------|---------------------|---------------|
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| Implementation | @eholk | |
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| Author RFC | @eholk | |
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| Lang-team experiment | ![Team][] [lang] | ![Complete][] |
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| Lang-team champion | ![Team][] [lang] | @tmandry |
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### Trait for generators (sync)
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| -------------- | ---------------------------- | ------------------- |
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| Implementation | @eholk | |
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| Author RFC | | |
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| RFC decision | ![Team][] [libs-api], [lang] | |
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| Design meeting | ![Team][] [lang] | 2 meetings expected |
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| -------------- | ---------------------------- | ----- |
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| Design meeting | ![Team][] [lang], [libs-api] | |
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| Task | Owner(s) or team(s) | Notes |
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| Implementation | @eholk | |
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| Author RFC | | |
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| RFC decision | ![Team][] [libs-api], [lang] | |
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| Design meeting | ![Team][] [lang] | 2 meetings expected |
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| Lang-team champion | ![Team][] [lang] | @tmandry |
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‎src/2025h1/const-trait.md

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| Call for testing | @oli-obk | |
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| Design meeting | ![Team][] [lang] | first meeting scheduled for Jan; second meeting may be required |
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| RFC decision | ![Team][] [lang] | |
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| Lang-team champion | ![Team][] [lang] | @nikomatsakis |
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| RFC decision | ![Team][] [lang] | (stretch goal) |
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| RFC secondary review | ![Team][] [types] | Types team needs to validate the approach |
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| Author specification 1st draft | @oli-obk | |
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### Formalize const-traits in a-mir-formality
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‎src/2025h1/eii.md

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| Discussion and moral support | [compiler], [lang] | |
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| Lang-team experiment | ![Team][] [lang] | Already approved |
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| Lang-team experiment | ![Team][] [lang] | ![Complete][] |
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| Lang-team champion | ![Team][] [lang] | @nikomatsakis |
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| Design experiment (syntax, etc.) | *Jonathan and Mara* | Done |
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| Refactor attributes in rustc | *Jonathan* | In progress, refactor merged |
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‎src/2025h1/ergonomic-rc.md

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### The next 6 months
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In 2024H2 we began work on an experimental implementation (not yet landed) and authored a corresponding RFC, which has received substantial feedback. In 2025H1 we will continue by (a) landing the experimental branch and (b) addressing feedback on the RFC, reading it with the lang-team, and reaching a decision.
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In 2024H2 we began work on an experimental implementation (not yet landed) and authored a corresponding RFC, which has received substantial feedback. In 2025H1 we will focus on driving the experimental branch to completion.
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| Lang-team champion | ![Team][] [lang] | @nikomatsakis |
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| Author RFC | @joshtriplett | ![Complete][] |
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‎src/2025h1/field-projections.md

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| Point of contact | @y86-dev |
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| Task owners | <!-- TASK OWNERS --> |
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| Status | Proposed |
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| Status | Not accepted |
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## Summary

‎src/2025h1/improve-rustc-codegen.md

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| Discussion and moral support | ![Team][] [compiler] | |
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| Lang-team experiment | ![Team][] [lang] | |
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| Lang-team champion | ![Team][] [lang] | @traviscross |
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| Refine RFC 3720 | @folkertdev | |
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| Implementation | @folkertdev, @bjorn3 | |
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