syntect

Generate ANSI or HTML syntax highlighting in Rust using Syntect.

3|Updated Jan 10, 2026
One-click install
npx skills add https://github.com/yankeeinlondon/rusty-biscuit --skill syntect-yankeeinlondon
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: syntect
Source: https://github.com/yankeeinlondon/rusty-biscuit/tree/main/.claude/skills/syntect
Command: npx skills add https://github.com/yankeeinlondon/rusty-biscuit --skill syntect-yankeeinlondon

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Enable fast and accurate syntax highlighting in Rust projects using Syntect with Sublime Text syntax definitions and TextMate themes.

Core Features & Use Cases

  • Two-stage pipeline: parsing to scopes, then highlighting to styles
  • Line-by-line processing for memory efficiency
  • Pre-load defaults with SyntaxSet::load_defaults_newlines() and ThemeSet::load_defaults()
  • Binary dumps for production startup time
  • ANSI terminal output with as_24_bit_terminal_escaped
  • HTML output options: inline styles or CSS classes
  • Streaming for large files via HighlightFile
  • Always reset terminal colors after output
  • Supports TypeScript and modern themes via Sublime/TextMate grammars
  • Used in tools like bat and delta

Quick Start

Highlight a Rust code snippet using Syntect and print ANSI-colored output.

Frequently Asked Questions about syntect

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I add syntax highlighting to a Rust CLI tool for terminal output?▼

Syntax highlighting in a Rust CLI tool is achieved using Syntect to parse code into scopes with SyntaxSet and render ANSI terminal colors via as_24_bit_terminal_escaped, always resetting terminal colors after output.

Can I highlight large files line-by-line in Rust without running out of memory?▼

Yes, streaming large files in Rust is supported using Syntect's HighlightFile for line-by-line processing, which maintains memory efficiency while applying Sublime Text syntax definitions and TextMate themes.

Does syntect support generating HTML output with inline styles or CSS classes?▼

Syntect supports HTML output with options for either inline styles or CSS classes, using a two-stage pipeline that parses text into scopes and then highlights them using loaded ThemeSet definitions.

How can I reduce startup time for a Rust syntax highlighting application?▼

You can reduce startup time for Rust syntax highlighting by using Syntect's binary dumps, which serialize pre-loaded SyntaxSet and ThemeSet data so grammars and themes bypass parsing from scratch on launch.

What's the best way to highlight TypeScript and modern languages in a Rust static site generator?▼

Highlighting TypeScript and modern languages in a Rust static site generator is best handled by Syntect with Sublime Text syntax definitions, parsing code into scopes to render styled HTML or ANSI output.

Do I need a Rust toolchain to use Sublime syntax definitions for code highlighting?▼

Yes, a Rust toolchain is required because Syntect is a Rust library that loads Sublime Text syntax definitions via SyntaxSet and TextMate themes via ThemeSet to perform its two-stage parsing and highlighting pipeline.