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# line-index
This crate is developed as part of `rust-analyzer`.
line-index is a library to convert between text offsets and corresponding line/column coordinates.
## Installation
To add this crate to a project simply run `cargo add line-index`.
## Usage
The main structure is `LineIndex`.
It is constructed with an UTF-8 string, but also supports UTF-16 and UTF-32 offsets.
### Example
```rust
use line_index::LineIndex;
let line_index = LineIndex::new("This is a\nmulti-line\ntext.");
line_index.line_col(3.into()); // LineCol { line: 0, col: 3 }
line_index.line_col(13.into()); // LineCol { line: 1, col: 3 }
line_index.offset(LineCol { line: 2, col: 3 }); // Some (24)
```
## SemVer
This crate uses [semver](https://semver.org/) versioning.
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