FuDiff

A Rust library implementing a robust fuzzy unified diff format designed for AI-driven patching tools.

Features

• Context-based patching without relying on line numbers
• Fuzzy matching for reliable patch application
• Clean, minimalist diff format optimized for AI interactions
• Reversible patches - can apply and revert changes
• Extensive tests
• Optional serde support for serialization/deserialization (enable with serde feature)

Usage

use fudiff::{diff, parse};

// Create a diff between two strings
let diff = diff("old content", "new content");

// Parse an existing diff
let diff = parse("@@ @@\n-old\n+new\n").unwrap();

// Apply a diff
let patched = diff.patch("old content").unwrap();

// Revert a diff
let original = diff.revert("new content").unwrap();

License

MIT