Support unsized `try_transmute_{ref,mut}!` by joshlf · Pull Request #2944 · google/zerocopy

joshlf · 2026-01-28T00:26:59Z

Support:

Sized to sized
Sized to unsized
Unsized to unsized

👉 Support unsized try_transmute_{ref,mut}! #2944

Latest Update: v50 — Compare vs v49

📚 Full Patch History

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codecov-commenter · 2026-01-28T04:13:53Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.02%. Comparing base (e574d06) to head (28283ff).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2944      +/-   ##
==========================================
+ Coverage   91.81%   92.02%   +0.21%     
==========================================
  Files          19       19              
  Lines        5922     6029     +107     
==========================================
+ Hits         5437     5548     +111     
+ Misses        485      481       -4

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src/layout.rs

src/util/macro_util.rs

Support: - Sized to sized - Sized to unsized - Unsized to unsized gherrit-pr-id: Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706

joshlf mentioned this pull request Jan 28, 2026

Support sized-to-unsized transmute_{ref,mut}! #2943

Merged

Base automatically changed from G5520d1263ed335298ddd307e45c38b41ff28aa90 to main January 28, 2026 00:34

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch 2 times, most recently from 7347e08 to a184611 Compare January 28, 2026 04:10

joshlf changed the base branch from main to G7f73f342a0126d5f9b9dc44925f6ae7451034bef January 28, 2026 04:10

joshlf mentioned this pull request Jan 28, 2026

Add generic Ptr::try_with #2946

Merged

joshlf force-pushed the G7f73f342a0126d5f9b9dc44925f6ae7451034bef branch from e536ae5 to cef95e1 Compare January 28, 2026 04:20

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch 2 times, most recently from 4a4ff3b to 557ac07 Compare January 28, 2026 16:30

joshlf force-pushed the G7f73f342a0126d5f9b9dc44925f6ae7451034bef branch from cef95e1 to 9312e5b Compare January 28, 2026 16:30

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from 557ac07 to 416630c Compare January 28, 2026 17:19

joshlf force-pushed the G7f73f342a0126d5f9b9dc44925f6ae7451034bef branch from 9312e5b to 4f7ace4 Compare January 28, 2026 17:19

joshlf changed the base branch from G7f73f342a0126d5f9b9dc44925f6ae7451034bef to G27c254ea62bb8b789e4fcd4a2e9e09a74676b45a January 28, 2026 17:19

joshlf mentioned this pull request Jan 28, 2026

[pointer] Fix bug in try_cast_into_no_leftover #2937

Merged

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from 416630c to 7be565b Compare January 28, 2026 18:14

joshlf force-pushed the G27c254ea62bb8b789e4fcd4a2e9e09a74676b45a branch from 71f7209 to 04b7eed Compare January 28, 2026 18:14

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch 2 times, most recently from 9fea6e1 to d2b4473 Compare January 28, 2026 18:26

joshlf force-pushed the G27c254ea62bb8b789e4fcd4a2e9e09a74676b45a branch from 04b7eed to 7f5c72a Compare January 28, 2026 18:26

jswrenn reviewed Jan 28, 2026

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src/layout.rs Outdated Show resolved Hide resolved

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from d2b4473 to 797f0e9 Compare January 28, 2026 20:19

joshlf force-pushed the G27c254ea62bb8b789e4fcd4a2e9e09a74676b45a branch from 7f5c72a to 71c76fb Compare January 28, 2026 21:06

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from 797f0e9 to 43c84dc Compare January 28, 2026 21:06

joshlf force-pushed the G27c254ea62bb8b789e4fcd4a2e9e09a74676b45a branch from 71c76fb to d749a54 Compare January 28, 2026 21:13

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch 2 times, most recently from 9083c7d to 5e8850d Compare January 28, 2026 21:15

joshlf force-pushed the G27c254ea62bb8b789e4fcd4a2e9e09a74676b45a branch from d749a54 to 2555a94 Compare January 28, 2026 21:15

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from 5e8850d to a06f5ad Compare January 28, 2026 21:56

Base automatically changed from G59af5c6b6a95913c3b772c5d1039e766c61a8e42 to main January 29, 2026 20:16

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch 2 times, most recently from f21afa4 to bffdaed Compare January 29, 2026 20:35

joshlf changed the base branch from main to G374c587ce49c18d4dd1d7de970df8556ed7834e3 January 29, 2026 20:35

joshlf mentioned this pull request Jan 29, 2026

[layout] Support sized->unsized, sized->sized casts #2950

Merged

joshlf changed the base branch from G374c587ce49c18d4dd1d7de970df8556ed7834e3 to main January 29, 2026 20:46

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from bffdaed to 54c0cbf Compare January 29, 2026 20:47

joshlf changed the base branch from main to G73f67c103188ed404d0051bc140c4d0711fe0753 January 29, 2026 20:47

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch 4 times, most recently from 4b5dff7 to dd07ec9 Compare January 29, 2026 22:40

joshlf force-pushed the G73f67c103188ed404d0051bc140c4d0711fe0753 branch from 2ba5342 to 6d233b1 Compare January 29, 2026 22:44

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from dd07ec9 to e226ae7 Compare January 29, 2026 22:44

joshlf mentioned this pull request Jan 29, 2026

[macros] Fix doc bug in transmute_mut! #2951

Merged

joshlf force-pushed the G73f67c103188ed404d0051bc140c4d0711fe0753 branch from 6d233b1 to aaf21aa Compare January 30, 2026 14:34

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from e226ae7 to 202781f Compare January 30, 2026 14:34

jswrenn reviewed Jan 30, 2026

View reviewed changes

src/util/macro_util.rs Outdated Show resolved Hide resolved

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from 202781f to 36a575c Compare January 30, 2026 15:36

jswrenn approved these changes Jan 30, 2026

View reviewed changes

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from 36a575c to 3959c45 Compare January 30, 2026 16:03

joshlf force-pushed the G73f67c103188ed404d0051bc140c4d0711fe0753 branch from aaf21aa to 3937ee6 Compare January 30, 2026 16:03

Base automatically changed from G73f67c103188ed404d0051bc140c4d0711fe0753 to main January 30, 2026 16:37

Support unsized try_transmute_{ref,mut}!

28283ff

Support: - Sized to sized - Sized to unsized - Unsized to unsized gherrit-pr-id: Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706

joshlf force-pushed the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch from 3959c45 to 28283ff Compare January 30, 2026 16:42

joshlf enabled auto-merge January 30, 2026 16:42

joshlf added this pull request to the merge queue Jan 30, 2026

Merged via the queue into main with commit 6d1e9b0 Jan 30, 2026
104 checks passed

joshlf deleted the Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706 branch January 30, 2026 17:16

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Support unsized `try_transmute_{ref,mut}!`#2944

Support unsized `try_transmute_{ref,mut}!`#2944
joshlf merged 1 commit intomainfrom
Gdf81e39c9f13236c2c2bad3bfbd2bb931e73b706

joshlf commented Jan 28, 2026 •

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