make len_ mutable

argv0 · Aug 16, 2012 · c34de59 · c34de59
1 parent 7fcccb5
commit c34de59
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/c_src/lockfree_queue.hpp b/c_src/lockfree_queue.hpp
@@ -128,5 +128,5 @@ class lockfree_queue
 private:
     node *first_;
     atomic_node_pointer divider_, last_;
-    std::size_t len_;
+    mutable std::size_t len_;
 };