Use NonZeroUsize for LRU cap instead of usize

jeromefroe · Aug 16, 2022 · 0e415ef · 0e415ef
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diff --git a/README.md b/README.md
@@ -22,9 +22,10 @@ Below is a simple example of how to instantiate and use a LRU cache.
 extern crate lru;
 
 use lru::LruCache;
+use std::num::NonZeroUsize;
 
 fn main() {
-    let mut cache = LruCache::new(2);
+    let mut cache = LruCache::new(NonZeroUsize::new(2).unwrap());
     cache.put("apple", 3);
     cache.put("banana", 2);