From: Kefu Chai <kchai@redhat.com>
Date: Mon, 5 Jul 2021 14:53:21 +0000 (+0800)
Subject: crimson/common: add discard_result() to errorator
X-Git-Tag: v17.1.0~1474^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=8a5af618f760c815bfbd46296c60c70b08576199;p=ceph.git

crimson/common: add discard_result() to errorator

so we can discard result explicitly.

Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/src/crimson/common/errorator.h b/src/crimson/common/errorator.h
index f9ec7bf4a3f1..8a821d17b2c1 100644
--- a/src/crimson/common/errorator.h
+++ b/src/crimson/common/errorator.h
@@ -641,6 +641,11 @@ private:
       });
     }
 
+    _future<::crimson::errorated_future_marker<void>>
+    discard_result() noexcept {
+      return safe_then([](auto&&) {});
+    }
+
     // taking ErrorFuncOne and ErrorFuncTwo separately from ErrorFuncTail
     // to avoid SFINAE
     template <class ValueFunc,