# use-referrer
Referrer and source classification primitives for `RustUse`.
## Example
```rust
use use_referrer::{ReferrerKind, classify_source_medium};
let kind = classify_source_medium(Some("newsletter"), Some("email"));
assert_eq!(kind, ReferrerKind::Email);
```
## Scope
- Referrer URLs and hosts, source kinds, traffic labels, and lightweight source/medium/referrer classification.
## Non-goals
- Analytics models, event collection, user identification, or traffic storage.
## License
Licensed under either Apache-2.0 or MIT, at your option.