Lexicon Fractional Index

A Rust version for https://www.npmjs.com/package/fractional-index .

Keys are based on string, and fit with the string order.

Usage

```rs use lexiconfractionalindex::fractional_index;

fractional_index("a", "b") // Result("aP") ```

Todo Next

• deal with fragile behavior of fractional_index("", "")
• use Option<T> to reduce chaos brought by null and "" from JavaScript.

License

TODO