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Amaan Qureshi 2023-08-18 15:36:06 +07:00
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# tree-sitter-rust
[![Build/test](https://github.com/tree-sitter/tree-sitter-rust/actions/workflows/ci.yml/badge.svg)](https://github.com/tree-sitter/tree-sitter-rust/actions/workflows/ci.yml)
[![CI](https://github.com/tree-sitter/tree-sitter-c/actions/workflows/ci.yml/badge.svg)](https://github.com/tree-sitter/tree-sitter-c/actions/workflows/ci.yml)
Rust grammar for [tree-sitter](https://github.com/tree-sitter/tree-sitter)
## Features
* **Speed** - When initially parsing a file, `tree-sitter-rust` takes around twice as long as Rustc's hand-coded parser.
- **Speed** — When initially parsing a file, `tree-sitter-rust` takes around twice
as long as Rustc's hand-coded parser.
```sh
$ wc -l examples/ast.rs
@ -19,11 +20,19 @@ Rust grammar for [tree-sitter](https://github.com/tree-sitter/tree-sitter)
examples/ast.rs 16 ms
```
But if you *edit* the file after parsing it, this parser can generally *update* the previous existing syntax tree to reflect your edit in less than a millisecond, thanks to Tree-sitter's incremental parsing system.
But if you _edit_ the file after parsing it, this parser can generally _update_
the previous existing syntax tree to reflect your edit in less than a millisecond,
thanks to Tree-sitter's incremental parsing system.
## References
* [The Rust Grammar Reference](https://doc.rust-lang.org/grammar.html) - The grammar reference provides chapters that formally define the language grammar.
* [The Rust Reference](https://doc.rust-lang.org/reference/) - While Rust does not have a specification, the reference tries to describe its working in detail. It tends to be out of date.
* [Keywords](https://doc.rust-lang.org/stable/book/appendix-01-keywords.html) and [Operators and Symbols](https://doc.rust-lang.org/stable/book/appendix-02-operators.html).
* Archive of the outdated [Syntax Index](https://web.mit.edu/rust-lang_v1.25/arch/amd64_ubuntu1404/share/doc/rust/html/book/first-edition/syntax-index.html) that contains examples of all syntax in Rust cross-referenced with the section of The Book that describes it.
- [The Rust Grammar Reference](https://doc.rust-lang.org/grammar.html) — The grammar
reference provides chapters that formally define the language grammar.
- [The Rust Reference](https://doc.rust-lang.org/reference/) — While Rust does
not have a specification, the reference tries to describe its working in detail.
It tends to be out of date.
- [Keywords](https://doc.rust-lang.org/stable/book/appendix-01-keywords.html) and
[Operators and Symbols](https://doc.rust-lang.org/stable/book/appendix-02-operators.html).
- Archive of the outdated [Syntax Index](https://web.mit.edu/rust-lang_v1.25/arch/amd64_ubuntu1404/share/doc/rust/html/book/first-edition/syntax-index.html)
that contains examples of all syntax in Rust cross-referenced with the section
of The Book that describes it.