Intro to nom, a parser combinator library for Rust
36Dive into the world of parsing with Rust as we showcase NOM, a powerful parser combinator library! In this live stream, we'll dissect the intricacies of parsing Redis protocol commands, unraveling the complexities with NOM's elegant solutions.
🔍 Understanding Parsing: We begin with an overview of parsers and parsing methods, contrasting a naive approach with NOM's sophisticated techniques.
💡 Consuming Parsers: Learn how NOM progressively consumes input and handles exceptions, revolutionizing parsing in Rust.
🛠️ Crafting Parsers with Combinators: Explore NOM's arsenal of combinators like tag, pair, tuple, and delimited, crafting composable and reusable parsing functions for Redis protocol commands.
🚀 Performance Benchmarking: Witness NOM's prowess as we compare its performance with regex, showcasing its superiority in parsing tasks, especially in scenarios like Advent of Code challenges.
🔄 Handling Optional Spaces and Delimiters: Delve into enhancing parser robustness and flexibility, addressing concerns and refining parsing logic for seamless data extraction.
🔧 Future Implementation Plans: Get insights into expanding parser capabilities, refining error handling, and tackling edge cases, ensuring a flexible and robust Redis protocol parser.
Join us as we unravel the art of parsing with Rust and NOM, unlocking the secrets to efficient and reliable data extraction. Whether you're a Rust enthusiast, a parsing aficionado, or simply curious about the NOM library, this live stream promises to enlighten and inspire your coding journey.
Chapters:
00:00:00 Intro
00:00:44 What is a parser
00:01:32 String splitting approach
00:04:11 Consuming parsers
00:08:23 How to install and use the `nom` crate
00:25:05 Useful links to deep dive on `nom`
00:28:55 Building a parse for the Redis Serialization Protocol (RESP) with `nom` (live coding)
01:30:38 Closing
⛓️ Links:
- Slides: https://loige.link/nom-intro
- Our repo (tinyresp): https://github.com/lmammino/tinyresp
- nom documentation: https://docs.rs/nom
- nom combinators cheatsheet: https://github.com/rust-bakery/nom/blob/main/doc/choosing_a_combinator.md
- nom error management cheatsheet: https://github.com/rust-bakery/nom/blob/main/doc/error_management.md
- nom official examples: https://github.com/rust-bakery/nom/tree/main/examples
- examples from this presentation: https://play.rust-lang.org/?
version=stable&mode=debug&edition=2021&gist=f2db795f7b887f9a2257f950863ee1f5
- The Redis Serialization Protocol (RESP) Spec: https://redis.io/docs/reference/protocol-spec/
➡️ Follow us on Twitch for more live streams at https://twitch.tv/loige
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