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this month in hax: 09
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--- | ||
author: "Lucas Franceschino" | ||
title: "This month in hax: September 2024" | ||
date: "2024-10-01" | ||
tags: ["this-month-in-hax"] | ||
ShowToc: false | ||
ShowBreadCrumbs: false | ||
--- | ||
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In July, we merged 33 PRs! 🎉 | ||
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On the side of the frontend, [Nadrieril](https://github.com/Nadrieril) | ||
and I worked at making hax handling of binders (e.g. `'a` in `for<'a> | ||
&'a T: PartialEq<i32>`) and traits better. This is not finished yet, | ||
but we made great progress. Our goal is to make the frontend work on | ||
every valid Rust code. | ||
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In the engine, thanks to [paulmure](https://github.com/paulmure), we | ||
now are able to process `unsafe` blocks. Thanks to | ||
[maximebuyse](https://github.com/maximebuyse), the engine can now | ||
rewrite more `return` expressions: we are now planning on supporting | ||
`return` inside loops, along with `break` and `continue`. | ||
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We've been improving F* support and F* libraries. Importantly, | ||
[cmester0](https://github.com/cmester0) is working on a model of | ||
`core`, in Rust: we aim at replacing our hand-crafted F* model of core | ||
by an hax extraction of this new core model implemented in Rust. We | ||
will also be able to extract this model of core in every of our | ||
backends, enabling a uniform and pain-free `core` multi-backend | ||
library. | ||
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# Merged Pull Requests | ||
* #934: [chore: assign an issue id for every error in the engine](https://github.com/hacspec/hax/pull/934) | ||
* #932: [chore: assign an issue for every error in `import_thir`](https://github.com/hacspec/hax/pull/932) | ||
* #919: [fix #422](https://github.com/hacspec/hax/pull/919) | ||
* #918: [chore: remove stale `Hax.Lib.fst`](https://github.com/hacspec/hax/pull/918) | ||
* #917: [doc: disambiguate_local_idents](https://github.com/hacspec/hax/pull/917) | ||
* #916: [update Cargo.lock](https://github.com/hacspec/hax/pull/916) | ||
* #909: [Revert "fix(engine/fstar): fix super typeclasses attributes"](https://github.com/hacspec/hax/pull/909) | ||
* #908: [fix(engine/deps): stop re-computing over and over the set of assoc items](https://github.com/hacspec/hax/pull/908) | ||
* #907: [Add RewriteControlFlow phase.](https://github.com/hacspec/hax/pull/907) | ||
* #906: [Cleanup trait resolution](https://github.com/hacspec/hax/pull/906) | ||
* #902: [fix(engine/fstar): fix super typeclasses attributes](https://github.com/hacspec/hax/pull/902) | ||
* #901: [Determine emuerate value by index](https://github.com/hacspec/hax/pull/901) | ||
* #898: [Fix some binder-related crashes](https://github.com/hacspec/hax/pull/898) | ||
* #895: [Don't eval constants eagerly](https://github.com/hacspec/hax/pull/895) | ||
* #894: [Detangle trait solving from `SInto`](https://github.com/hacspec/hax/pull/894) | ||
* #892: [Support other variants of MIR](https://github.com/hacspec/hax/pull/892) | ||
* #891: [fix: fstar: default trait](https://github.com/hacspec/hax/pull/891) | ||
* #887: [Initial cleanup of binders-related code](https://github.com/hacspec/hax/pull/887) | ||
* #885: [docs(book): depend on `hax-lib` only when using hax](https://github.com/hacspec/hax/pull/885) | ||
* #884: [Fix incorrect line numbers in error messages](https://github.com/hacspec/hax/pull/884) | ||
* #883: [Fix step boundaries in fold_range_step_by](https://github.com/hacspec/hax/pull/883) | ||
* #882: [fix(fstar-core): add support for `Option::map`](https://github.com/hacspec/hax/pull/882) | ||
* #880: [Support float literals](https://github.com/hacspec/hax/pull/880) | ||
* #877: [Avoid recursing twice on the arguments.](https://github.com/hacspec/hax/pull/877) | ||
* #876: [Translate additional unsafe MIR operations](https://github.com/hacspec/hax/pull/876) | ||
* #873: [Small PR to fix circularity in Core.Fmt.fsti](https://github.com/hacspec/hax/pull/873) | ||
* #872: [Pre post impl blocks](https://github.com/hacspec/hax/pull/872) | ||
* #870: [count-ones post-condition](https://github.com/hacspec/hax/pull/870) | ||
* #868: [engine: kill a few `exn` to get useful errors](https://github.com/hacspec/hax/pull/868) | ||
* #867: [Backend: Import unsafe code as a gated feature](https://github.com/hacspec/hax/pull/867) | ||
* #860: [fix(engine): make dep. analysis sensible to UID assoc. items](https://github.com/hacspec/hax/pull/860) | ||
* #827: [Add infos impl](https://github.com/hacspec/hax/pull/827) | ||
* #819: [Add Rust Core Fstar Definitions.](https://github.com/hacspec/hax/pull/819) | ||
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#### Contributors | ||
- [Nadrieril](https://github.com/Nadrieril) | ||
- [R1kM](https://github.com/R1kM) | ||
- [ROMemories](https://github.com/ROMemories) | ||
- [W95Psp](https://github.com/W95Psp) | ||
- [franziskuskiefer](https://github.com/franziskuskiefer) | ||
- [gaetan-sbt](https://github.com/gaetan-sbt) | ||
- [karthikbhargavan](https://github.com/karthikbhargavan) | ||
- [mamonet](https://github.com/mamonet) | ||
- [maximebuyse](https://github.com/maximebuyse) | ||
- [paulmure](https://github.com/paulmure) |