fix boxed use monostate

2024-06-13 11:07:14 +08:00 · 2024-06-13 11:07:14 +08:00 · 10a4e047e6
commit 10a4e047e6
parent 6229d0db14
1 changed files with 1 additions and 1 deletions
--- a/tile/base/future/boxed.h
+++ b/tile/base/future/boxed.h
@ -86,7 +86,7 @@ private:
  }

 private:
-  std::variant<std::monostate, value_type> holding_;
+  std::variant<mpark::monostate, value_type> holding_;
 };

 static_assert(std::is_void<decltype(std::declval<Boxed<>>().Get())>::value, "");