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| author | bors <bors@rust-lang.org> | 2022-01-25 15:43:29 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2022-01-25 15:43:29 +0000 |
| commit | 92ed8747f255b2695c33b64982e6959711a72cb9 (patch) | |
| tree | 2d93b34de6249b0f75fd8862846dcd545825407c /compiler/rustc_mir_transform/src/coverage/query.rs | |
| parent | 17dfae79bbc3dabe1427073086acf7f7bd45148c (diff) | |
| parent | 3a3e4b78593bc2669828dfc2e36070897b9c6a4d (diff) | |
| download | rust-92ed8747f255b2695c33b64982e6959711a72cb9.tar.gz rust-92ed8747f255b2695c33b64982e6959711a72cb9.zip | |
Auto merge of #92353 - Kobzol:doc-attr-lists-gat, r=GuillaumeGomez
Rustdoc: remove ListAttributesIter and use impl Iterator instead This is a continuation of https://github.com/rust-lang/rust/pull/92227. I found that `ListAttributesIter` did not optimize well and replacing it with a simple `impl Iterator` resulted in 1-3 % instruction count wins locally. Because I needed to use `impl Iterator` on a slice of AST attributes, I had to implement it using GAT + impl trait. I also have a version without GAT [here](https://github.com/Kobzol/rust/commit/5470e2a65cbd3086d19f0847f44ca9cbbc049689), if GATs are not welcome in rustdoc :D Locally it resulted in equal performance numbers. Can I ask for a perf. run? Thanks. r? rust-lang/rustdoc
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