FOForHackernews·Nov 8, 2024
That feature is on the roadmap for Pest 3: https://github.com/pest-parser/pest/issues/882
In Why I love Rust for tokenising and parsingpest-parser
pest
Rust2017–2024
pest-parser / pest
pest
The Elegant Parser
4Distinct people
12Mentions
0Explicit recommenders
5.4KGitHub stars
What to know before exploring
What it is
The Elegant Parser
GitHub
Where it is used
No documented product use has been verified yet.
What people are saying
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This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:03:16 PM UTC.
No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.
Mentions over time
HN mentions by year12 dated mentions
Observed mentions: 2017-08-18 15:12:37 UTC to 2024-11-08 09:49:57 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| 2017 | 2017-01-01 00:00:00 UTC | 2018-01-01 00:00:00 UTC | 9 | 8 | 1 |
| 2018 | 2018-01-01 00:00:00 UTC | 2019-01-01 00:00:00 UTC | 2 | 1 | 1 |
| 2019 | 2019-01-01 00:00:00 UTC | 2020-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2020 | 2020-01-01 00:00:00 UTC | 2021-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2021 | 2021-01-01 00:00:00 UTC | 2022-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2022 | 2022-01-01 00:00:00 UTC | 2023-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2023 | 2023-01-01 00:00:00 UTC | 2024-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2024 | 2024-01-01 00:00:00 UTC | 2025-01-01 00:00:00 UTC | 1 | 0 | 1 |
What Hacker News says
12 sourcesThis is a very cool too but I feel like I'm missing something. This looks like any other PEG parser generator. The only difference I see is that it will automatically handle the case where a valid match starts somewhere other than at the start of the stream. I'm not sure that this constitutes calling it a whole language unto itself.
What separates this from tools like PEG.js[1] or pest[2]?
[1]: https://pegjs.org/
[2]: https://github.com/pest-parser/pest
In Pattern Matching Without Regex – Introducing the Rosie Pattern LanguagePest – The Elegant Parser v1.0
1 points · Open discussionA good place to start would be in the manually written example. [1] My current plan is to try and limit the the use of memoization such that it still guarantees linear parsing, but it doesn't memoize unless necessary.
[1]: https://github.com/pest-parser/pest/blob/master/pest/example...
In Show HN: Pest – Fast parser generator written in RustShow HN: Pest – Fast parser generator written in Rust
108 points · Open discussionShow HN: Pest. A ridiculously fast, modern parser for Rust
2 points · Open discussionShow HN: Pest. A fast, modern parser for Rust
2 points · Open discussionShow HN: Pest. A fast, modern parser for Rust
8 points · Open discussionShow HN: Pest. A fast, modern parser for Rust
1 points · Open discussionShow HN: Pest. A modern Rust parser
3 points · Open discussionShow HN: Pest. A fast, modern parser for Rust
5 points · Open discussionShow HN: Pest. The Elegant Parser 1.0
2 points · Open discussion