lazy-static.rs
regex
lazy-static.rs | regex | |
---|---|---|
6 | 91 | |
1,862 | 3,355 | |
0.7% | 1.4% | |
5.0 | 8.9 | |
5 months ago | 12 days ago | |
Rust | Rust | |
Apache License 2.0 | Apache License 2.0 |
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lazy-static.rs
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Rust crate to convert HSV to RGB in a const context?
Normally lazy_static allows to have "const" code that cant be const https://github.com/rust-lang-nursery/lazy-static.rs
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Easy terminal animations with Snailshell 🐌
It's an additional crate, but you could try using lazy-static or once-cell and wrap the global value in a RwLock.
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Form Validation in Rust (Actix-Web)
lazy_static : A macro for declaring lazily evaluated statics in Rust.
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Rust's lazy_static! usage benchmarks and code deep dive
Without understanding the implementation details of lazy_static I figured it would be easier to benchmark it than to dig through its source code.
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Oops, I Did It Again...I Made A Rust Web API And It Was Not That Difficult
The templates need to be compiled before use, but this only needs to happen once. We can use lazy_static to ensure this compilation happens the first time the templates are accessed, and then reuse the compiled result for all subsequent access:
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I'd like to review your README
Now, the readme examples are tested like everything else.
https://github.com/rust-lang-nursery/lazy-static.rs/blob/mas...
regex
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Zed is now open source
The homepage has a benchmark that compares Zed's "insertion latency" to other editors, and this is the description:
> Open input.rs at the end of line 21 in rust-lang/regex. Type z 10 times, measure how long it takes for each z to display since hitting the z key.
Could someone clarify what that means? My interpretation of that was to go to https://github.com/rust-lang/regex/blob/master/regex-cli/arg... and start typing 'z' at the end of line 21, but that doesn't seem to make any sense. I guess that repo got refactored and those instructions are out of date?
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CryptoFlow: Building a secure and scalable system with Axum and SvelteKit - Part 3
We also used the avenue to sluggify the question title. We used regex to fish out and replace all occurrences of punctuation and symbol characters with an empty string and using the itertools crate, we joined the words back together into a single string, where each word is separated by a hyphen ("-").
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Command Line Rust is a great book
Command-Line Rust taught me how to use crates like clap, assert_cmd, and regex. I felt lost before because I didn't know about Rust's ecosystem--which is arguably as important as the language itself. Also, looking up and comparing libraries is a tiring task! blessed.rs is nice but Command-Line Rust really saved me from analysis paralysis.
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Common Rust Lifetime Misconceptions
burntsushi actually regrets making regex replace return a Cow: https://github.com/rust-lang/regex/issues/676#issuecomment-6.... I’m glad it does, and wish it took an impl Into> there, for the reasons discussed in the issue, but burntsushi has a lot more experience of the practical outcomes of this. Just something more to think about.
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Advent of Code 2023 is nigh
I'm not familiar with the AoC problem. You might be able to. But RegexSet doesn't give you match offsets.
You can drop down to regex-automata, which does let you do multi-regex search and it will tell you which patterns match[1]. The docs have an example of a simple lexer[2]. But... that will only give you non-overlapping matches.
You can drop down to an even lower level of abstraction and get multi-pattern overlapping matches[3], but it's awkward. The comment there explains that I had initially tried to provide a higher level API for it, but was unsure of what the semantics should be. Getting the starting position in particular is a bit of a wrinkle.
[1]: https://docs.rs/regex-automata/latest/regex_automata/meta/in...
[2]: https://docs.rs/regex-automata/latest/regex_automata/meta/st...
[3]: https://github.com/rust-lang/regex/blob/837fd85e79fac2a4ea64...
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Text Showdown: Gap Buffers vs. Ropes
It’s not quite that simple, but folks are working on it.
https://github.com/rust-lang/regex/issues/425#issuecomment-1...
https://github.com/helix-editor/helix/pull/211#issuecomment-...
- Please ask questions (rust-lang/regex)
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ScripterC - Rust-lang set
Dependencies used: - regex - unicode_reader - rust decimal - tokio
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Regex Engine Internals as a Library
https://www.cs.princeton.edu/courses/archive/fall19/cos226/l... and https://kean.blog/post/lets-build-regex are excellent introductions to implementing a (very) simplified regex engine: construct a nondetermistic finite state automaton for the regex, then perform a graph search on the resulting digraph; if the vertex corresponding to your end state is reachable, you have a match.
I think this exercise is valuable for anyone writing regexes to not only understand that there's less magic than one might think, but also to visualize a bunch of balls bouncing along an NFA - that bug you inevitably hit in production due to catastrophic backtracking now takes on a physical meaning!
Separately re: the OP, https://github.com/rust-lang/regex/issues/822 (and specifically BurntSushi's comment at the very end of the issue) adds really useful context to the paragraph in the OP about niche APIs: https://blog.burntsushi.net/regex-internals/#problem-request... - searching with multiple regexes simultaneously against a text is both incredibly complex and incredibly useful, and I can't wait to see what the community comes up with for this pattern!
What are some alternatives?
fenix - Rust toolchains and rust-analyzer nightly for Nix [maintainer=@figsoda]
re2 - modern regular expression syntax everywhere with a painless upgrade path [Moved to: https://github.com/SonOfLilit/kleenexp]
select.rs - A Rust library to extract useful data from HTML documents, suitable for web scraping.
node-re2 - node.js bindings for RE2: fast, safe alternative to backtracking regular expression engines.
liscopridge - liskin's collection of protocol bridges
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
cargo-readme - Generate README.md from docstrings
ngrams - (Read-only) Generate n-grams
docker-flask-example - A production ready example Flask app that's using Docker and Docker Compose.
regex-benchmark - It's just a simple regex benchmark of different programming languages.
anyhow - Flexible concrete Error type built on std::error::Error
whatlang-rs - Natural language detection library for Rust. Try demo online: https://whatlang.org/