Support StoreResult to std::optional in LastGetopt

1 files changed, 6 insertions, 0 deletions

diff --git a/library/cpp/getopt/small/last_getopt_opt.h b/library/cpp/getopt/small/last_getopt_opt.h
index 5210b6e756..4ffdfc394a 100644
--- a/library/cpp/getopt/small/last_getopt_opt.h
+++ b/library/cpp/getopt/small/last_getopt_opt.h
@@ -10,6 +10,7 @@
 #include <util/generic/vector.h>
 #include <util/string/cast.h>
 
+#include <optional>
 #include <stdarg.h>
 
 namespace NLastGetopt {
@@ -628,6 +629,11 @@ namespace NLastGetopt {
             return StoreResultT<T>(target);
         }
 
+        template <typename T>
+        TOpt& StoreResult(std::optional<T>* target) {
+            return StoreResultT<T>(target);
+        }
+
         template <typename TpVal, typename T, typename TpDef>
         TOpt& StoreResultT(T* target, const TpDef& def) {
             return Handler1T<TpVal>(def, NPrivate::TStoreResultFunctor<T, TpVal>(target));