Storage: implement Stored using call_once

2 files changed, 3 insertions, 1 deletions

diff --git a/src/identity.h b/src/identity.h
index 98db80a..e0d2803 100644
--- a/src/identity.h
+++ b/src/identity.h
@@ -3,8 +3,11 @@
 #include <erebos/identity.h>
 #include "pubkey.h"
 
+#include <future>
+
 using std::function;
 using std::optional;
+using std::shared_future;
 using std::string;
 using std::vector;
 
diff --git a/src/storage.h b/src/storage.h
index 7ed8cf6..0f7c3bf 100644
--- a/src/storage.h
+++ b/src/storage.h
@@ -12,7 +12,6 @@ namespace fs = std::filesystem;
 using std::function;
 using std::mutex;
 using std::optional;
-using std::shared_future;
 using std::shared_ptr;
 using std::unique_ptr;
 using std::unordered_map;