From: Radoslaw Zarzynski <rzarzyns@redhat.com>
Date: Mon, 9 Sep 2019 13:40:58 +0000 (+0200)
Subject: crimson: facilitate errorator extending with new errors.
X-Git-Tag: v15.1.0~801^2~44
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=5a7dbf03ef3f1643b5cd66df5c9b29106b195750;p=ceph.git

crimson: facilitate errorator extending with new errors.

Signed-off-by: Radoslaw Zarzynski <rzarzyns@redhat.com>
---

diff --git a/src/crimson/common/errorator.h b/src/crimson/common/errorator.h
index 3a639c2a7ba1a..b3b7cddc575b6 100644
--- a/src/crimson/common/errorator.h
+++ b/src/crimson/common/errorator.h
@@ -293,6 +293,11 @@ struct errorator {
     }
   };
 
+  // get a new errorator by extending current one with new error
+  template <class... NewWrappedAllowedErrorsT>
+  using extend = errorator<WrappedAllowedErrorsT...,
+                           NewWrappedAllowedErrorsT...>;
+
 private:
   struct ignore_marker_t{};