missing header

sbash64 · Jul 31, 2021 · 8b0c771 · 8b0c771
1 parent a7384ab
commit 8b0c771
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/transaction.cpp b/lib/transaction.cpp
@@ -1,5 +1,7 @@
 #include "transaction.hpp"
 
+#include <functional>
+
 namespace sbash64::budget {
 static void callIfObserverExists(
     ObservableTransaction::Observer *observer,