ratelimiter-rs

A lite ratelimit utils for rust.

examples

```rust use std::thread; use std::time::Duration; use ratelimiterrs::{QpsLimiter,RateLimiter,nowmillis};

fn qpslimiter(){ let mut limiter = QpsLimiter::new(10); let mut times = 0; for _ in 0..3000 { thread::sleep(Duration::frommillis(1)); if limiter.acquire() { times +=1; //println!("time: {}",nowmillis()) } else{ continue; } } println!("time: {}, times: {}",now_millis(),&times); } ```