# similar
[](https://github.com/mitsuhiko/similar/actions?query=workflow%3ATests)
[](https://crates.io/crates/similar)
[](https://github.com/mitsuhiko/similar/blob/main/LICENSE)
[](https://docs.rs/similar)
Similar is a dependency free crate for Rust that implements different diffing
algorithms and high level interfaces for it. It is based on the [pijul](https://pijul.org/)
implementation of the Myer's and Patience algorithms and inherits some ideas
from there.
It's intended to be replacement for the popular but unmaintained
[difference] crate.
```rust
use similar::algorithms::Algorithm;
use similar::text::unified_diff;
let udiff = unified_diff(
Algorithm::Patience,
old_text,
new_text,
3,
Some(("old.txt", "new.text"))
);
println!("{}", udiff);
```
## License and Links
- [Documentation](https://docs.rs/similar/)
- [Issue Tracker](https://github.com/mitsuhiko/similar/issues)
- License: [Apache-2.0](https://github.com/mitsuhiko/similar/blob/main/LICENSE)