Measure throughput in bytes per second. Adapted from mafintosh/speedometer.
```rust extern crate speedometer; use speedometer::Speedometer; use std::time::Duration;
let windowsize = Duration::fromsecs(5); // default is 5 second window size let mut meter = Speedometer::new(window_size); meter.entry(10);
println!("{:?} bytes/second!", meter.measure().unwrap()); ```
sh
$ cargo add speedometer
MIT OR Apache-2.0