stretto 0.9.0

Stretto is a high performance thread-safe memory-bound Rust cache.
Documentation 
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use agnostic_lite::tokio::TokioRuntime;
use std::time::Duration;
use stretto::{AsyncCacheBuilder, TokioCache};

#[tokio::main]
async fn main() {
  // cache is intended to take ownership of key and value
  let c: TokioCache<String, String> = AsyncCacheBuilder::new(12960, 1e6 as i64)
    .build::<TokioRuntime>()
    .unwrap();

  // set a value with a cost of 1
  c.insert("key1".to_string(), "value1".to_string(), 1).await;

  // set a value with a cost of 1 and ttl
  c.insert_with_ttl(
    "key2".to_string(),
    "value2".to_string(),
    1,
    Duration::from_secs(3),
  )
  .await;

  // wait for value to pass through buffers
  c.wait().await.unwrap();

  // Create a search key
  let key1 = "key1".to_string();
  // when we get the value, we will get a ValueRef, which contains a RwLockReadGuard
  // so when we finish use this value, we must release the ValueRef
  let v = c.get(&key1).await.unwrap();
  assert_eq!(v.value(), &"value1");
  // release the value
  v.release(); // or drop(v)

  // lock will be auto released when out of scope
  {
    // when we get the value, we will get a ValueRef, which contains a RwLockWriteGuard
    // so when we finish use this value, we must release the ValueRefMut
    let mut v = c.get_mut(&key1).await.unwrap();
    v.write("value2".to_string());
    assert_eq!(v.value(), &"value2");
    // release the value
  }

  // if you just want to do one operation
  let v = c.get_mut(&key1).await.unwrap();
  v.write_once("value3".to_string());

  let v = c.get(&key1).await.unwrap();
  assert_eq!(v.value(), &"value3");
  v.release();

  // clear the cache
  c.clear().await.unwrap();
  // wait all the operations are finished
  c.wait().await.unwrap();

  assert!(c.get(&key1).await.is_none());
}