ResultVariant is not default constructible

maikel · Jan 20, 2025 · 961776b · 961776b
1 parent b97725a
commit 961776b
Showing 1 changed file with 11 additions and 5 deletions.
diff --git a/source/sio/sequence/last.hpp b/source/sio/sequence/last.hpp
@@ -41,11 +41,12 @@ namespace sio {
 
       template <class Receiver>
       void visit_result(Receiver&& rcvr) noexcept {
-        ResultVariant result_on_stack;
-        {
+        ResultVariant result_on_stack = [&]() {
           std::scoped_lock lock{mutex_};
-          result_on_stack = static_cast<ResultVariant&&>(result_.__get());
-        }
+          ResultVariant result = static_cast<ResultVariant&&>(result_.__get());
+          return result;
+        }();
+        result_.__destroy();
 
         std::visit(
           [&]<class Tuple>(Tuple&& tuple) noexcept {
@@ -75,6 +76,11 @@ namespace sio {
 
       template <class Receiver>
       void visit_result(Receiver&& rcvr) noexcept {
+        ResultVariant result_on_stack = [&]() {
+          ResultVariant result = static_cast<ResultVariant&&>(result_.__get());
+          return result;
+        }();
+        result_.__destroy();
         std::visit(
           [&]<class Tuple>(Tuple&& tuple) noexcept {
             if constexpr (__not_decays_to<Tuple, std::monostate>) {
@@ -88,7 +94,7 @@ namespace sio {
               stdexec::set_stopped(static_cast<Receiver&&>(rcvr));
             }
           },
-          static_cast<ResultVariant&&>(result_.__get()));
+          static_cast<ResultVariant&&>(result_on_stack));
       }
     };