chore(deps): update lru

Author: kpp

tox_core/Cargo.toml

@@ -28,7 +28,7 @@ nom = "7.1"
 cookie-factory = "0.3"
 get_if_addrs = "0.5"
 thiserror = "1.0"
-lru = "0.7"
+lru = "0.8"
 bitflags = "1.3"
 itertools = "0.10"
 rand = "0.8"

tox_core/src/dht/precomputed_cache.rs

@@ -1,6 +1,7 @@
 //! LRU cache for `SalsaBox`es.
 
 use std::sync::Arc;
+use std::num::NonZeroUsize;
 
 use crypto_box::SalsaBox;
 use lru::LruCache;
@@ -22,6 +23,7 @@ pub struct PrecomputedCache {
 impl PrecomputedCache {
     /// Create new `PrecomputedCache`.
     pub fn new(sk: SecretKey, capacity: usize) -> PrecomputedCache {
+        let capacity = NonZeroUsize::new(capacity).expect("must be non zero");
         PrecomputedCache {
             sk,
             precomputed_keys: Arc::new(Mutex::new(LruCache::new(capacity))),