Define a virtual destructor for lru.h

2012-05-04 18:37:12 -07:00 · 2012-05-04 18:37:12 -07:00 · 8c423b56df
commit 8c423b56df
parent a868abb55a
1 changed files with 2 additions and 1 deletions
--- a/lru.h
+++ b/lru.h
@ -101,7 +101,8 @@ class lru_cache_t {
        mouth.prev = mouth.next = &mouth;
    }
    
-    /** Note that we do not define a destructor. We cannot evict all nodes (even though they typically need to be deleted by their creator). */
+    /** Note that we do not evict nodes in our destructor (even though they typically need to be deleted by their creator). */
+    virtual ~lru_cache_t() { }

    
    /** Returns the node for a given key, or NULL */