issue #9312: Build: cache.h:53:14: error: 'exchange' is not a member of 'std'

doxygen · doxygen · commit 5198966c8d5f · 2022-05-06T09:55:16.000+02:00
diff --git a/src/cache.h b/src/cache.h
@@ -19,6 +19,7 @@
 #include <list>
 #include <unordered_map>
 #include <mutex>
+#include <utility>
 #include <ctype.h>
 
 /*! Fixed size cache for value type V using keys of type K.
