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# tower-trace-metrics

A [tower-http](https://crates.io/crates/tower-http) `TraceLayer` that records metrics using the [metrics](https://crates.io/crates/metrics) facade.

```rust
use tower_trace_metrics::make_layer;
use tower::ServiceBuilder;
use bytes;


fn main() {
    let service = ServiceBuilder::new()
        // Make a trace layer where the chunks are bytes::Bytes
        .layer(make_layer(|b: &bytes::Bytes| b.len() as u64));
    // ... Use this service in a Tower Middleware stack.
}
```