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-rw-r--r--lib/PublicInbox/OnDestroy.pm5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/PublicInbox/OnDestroy.pm b/lib/PublicInbox/OnDestroy.pm
index 615bc450..d9a6cd24 100644
--- a/lib/PublicInbox/OnDestroy.pm
+++ b/lib/PublicInbox/OnDestroy.pm
@@ -1,13 +1,16 @@
-# Copyright (C) 2020-2021 all contributors <meta@public-inbox.org>
+# Copyright (C) all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
 package PublicInbox::OnDestroy;
+use v5.12;
 
 sub new {
         shift; # ($class, $cb, @args)
         bless [ @_ ], __PACKAGE__;
 }
 
+sub cancel { @{$_[0]} = () }
+
 sub DESTROY {
         my ($cb, @args) = @{$_[0]};
         if (!ref($cb) && $cb) {