perf(punycode): avoid double allocation in decode_to_string #894
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Additional details and impacted files@@ Coverage Diff @@
## master #894 +/- ##
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Coverage 81.70% 81.70%
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valenting
approved these changes
Jan 9, 2024
valenting
reviewed
Jan 9, 2024
| #[inline] | ||
| pub fn decode_to_string(input: &str) -> Option<String> { | ||
| decode(input).map(|chars| chars.into_iter().collect()) | ||
| Some(Decoder::default().decode(input).ok()?.collect()) |
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Could you maybe add a unit test that exercises this method?
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sure, will do that at the evening
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it is now being tested together with encode_str and decode
valenting
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Jan 10, 2024
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[](https://renovatebot.com) This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [criterion2](https://bheisler.github.io/criterion.rs/book/index.html) ([source](https://togithub.com/Boshen/criterion2.rs)) | workspace.dependencies | minor | `0.10.0` -> `0.11.0` | | [memchr](https://togithub.com/BurntSushi/memchr) | workspace.dependencies | patch | `2.7.2` -> `2.7.4` | | [oxc-browserslist](https://togithub.com/oxc-project/oxc-browserslist) | workspace.dependencies | patch | `0.17.0` -> `0.17.1` | | [url](https://togithub.com/servo/rust-url) | workspace.dependencies | patch | `2.5.0` -> `2.5.1` | --- ### Release Notes <details> <summary>Boshen/criterion2.rs (criterion2)</summary> ### [`v0.11.0`](https://togithub.com/Boshen/criterion2.rs/blob/HEAD/CHANGELOG.md#0110---2024-06-14) [Compare Source](https://togithub.com/Boshen/criterion2.rs/compare/v0.10.0...v0.11.0) ##### Added - \[**breaking**] remove csv_output ([#​33](https://togithub.com/Boshen/criterion2.rs/pull/33)) - rm crate `criterion-macro` ##### Other - *(deps)* update dependency rust to v1.79.0 ([#​35](https://togithub.com/Boshen/criterion2.rs/pull/35)) - *(deps)* update rust crates ([#​32](https://togithub.com/Boshen/criterion2.rs/pull/32)) - *(deps)* lock file maintenance rust crates ([#​31](https://togithub.com/Boshen/criterion2.rs/pull/31)) - check unused dependencies </details> <details> <summary>BurntSushi/memchr (memchr)</summary> ### [`v2.7.4`](https://togithub.com/BurntSushi/memchr/compare/2.7.3...2.7.4) [Compare Source](https://togithub.com/BurntSushi/memchr/compare/2.7.3...2.7.4) ### [`v2.7.3`](https://togithub.com/BurntSushi/memchr/compare/2.7.2...2.7.3) [Compare Source](https://togithub.com/BurntSushi/memchr/compare/2.7.2...2.7.3) </details> <details> <summary>oxc-project/oxc-browserslist (oxc-browserslist)</summary> ### [`v0.17.1`](https://togithub.com/oxc-project/oxc-browserslist/blob/HEAD/CHANGELOG.md#0171---2024-06-17) [Compare Source](https://togithub.com/oxc-project/oxc-browserslist/compare/oxc-browserslist-v0.17.0...oxc-browserslist-v0.17.1) ##### Other - *(deps)* update npm packages ([#​45](https://togithub.com/oxc-project/oxc-browserslist/pull/45)) </details> <details> <summary>servo/rust-url (url)</summary> ### [`v2.5.1`](https://togithub.com/servo/rust-url/releases/tag/v2.5.1) [Compare Source](https://togithub.com/servo/rust-url/compare/v2.5.0...v2.5.1) #### What's Changed - Be more detailed in documentation of set_query by [@​philippeitis](https://togithub.com/philippeitis) in [servo/rust-url#737 - perf(punycode): avoid double allocation in decode_to_string by [@​bishopcheckmate](https://togithub.com/bishopcheckmate) in [servo/rust-url#894 - Use SPECIAL_PATH_SEGMENT when encoding path in from_file_path by [@​valenting](https://togithub.com/valenting) in [servo/rust-url#902 - Add dependabot by [@​oriontvv](https://togithub.com/oriontvv) in [servo/rust-url#903 - Bump codecov/codecov-action from 3 to 4 by [@​dependabot](https://togithub.com/dependabot) in [servo/rust-url#904 - Bump actions/upload-artifact from 2 to 4 by [@​dependabot](https://togithub.com/dependabot) in [servo/rust-url#905 - Bump actions/checkout from 3 to 4 by [@​dependabot](https://togithub.com/dependabot) in [servo/rust-url#906 - Fix non-base64 data URLs with % characters not followed by hex digits by [@​SmaugPool](https://togithub.com/SmaugPool) in [servo/rust-url#797 - Rename `master` branch to `main` by [@​mrobinson](https://togithub.com/mrobinson) in [servo/rust-url#914 - Add bench for to_ascii on an already-Punycode name by [@​hsivonen](https://togithub.com/hsivonen) in [servo/rust-url#915 - Update URLs by [@​atouchet](https://togithub.com/atouchet) in [servo/rust-url#916 - Fix lint by [@​valenting](https://togithub.com/valenting) in [servo/rust-url#920 - Fix multiple issues on wasm32, and runs url tests in CI by [@​micolous](https://togithub.com/micolous) in [servo/rust-url#886 - Non-special URLs can have their paths erased by [@​DylanOToole2](https://togithub.com/DylanOToole2) in [servo/rust-url#921 - docs: document SyntaxViolation variants, remove bare URLs by [@​aatifsyed](https://togithub.com/aatifsyed) in [servo/rust-url#924 - docs: Document possible replacements of the base URL by [@​mo8it](https://togithub.com/mo8it) in [servo/rust-url#926 - Reimplement idna on top of ICU4X by [@​hsivonen](https://togithub.com/hsivonen) in [servo/rust-url#923 #### New Contributors - [@​philippeitis](https://togithub.com/philippeitis) made their first contribution in [servo/rust-url#737 - [@​bishopcheckmate](https://togithub.com/bishopcheckmate) made their first contribution in [servo/rust-url#894 - [@​oriontvv](https://togithub.com/oriontvv) made their first contribution in [servo/rust-url#903 - [@​dependabot](https://togithub.com/dependabot) made their first contribution in [servo/rust-url#904 - [@​SmaugPool](https://togithub.com/SmaugPool) made their first contribution in [servo/rust-url#797 - [@​hsivonen](https://togithub.com/hsivonen) made their first contribution in [servo/rust-url#915 - [@​micolous](https://togithub.com/micolous) made their first contribution in [servo/rust-url#886 - [@​DylanOToole2](https://togithub.com/DylanOToole2) made their first contribution in [servo/rust-url#921 - [@​aatifsyed](https://togithub.com/aatifsyed) made their first contribution in [servo/rust-url#924 - [@​mo8it](https://togithub.com/mo8it) made their first contribution in [servo/rust-url#926 **Full Changelog**: servo/rust-url@v2.5.0...v2.5.1 </details> --- ### Configuration 📅 **Schedule**: Branch creation - "before 10am on monday" in timezone Asia/Shanghai, Automerge - At any time (no schedule defined). 🚦 **Automerge**: Enabled. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 👻 **Immortal**: This PR will be recreated if closed unmerged. 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Hey,
while indeed
decode_to_stringis a nice ergonomics addition, the fact of being a wrapper over thedecoderesults in an intermediateVec.Since the implementation of it can be the same as
decodeand it's quite straightforward, maybe we could get rid of double alloc cheaply