libscope-guard-perl 0.21-2 (amd64 binary) in ubuntu lunar

 Scope::Guard is a Perl module that provides a convenient way to perform
 cleanup or other forms of resource management at the end of a scope. It is
 particularly useful when dealing with exceptions.
 .
 For more information, see: <URL:http://www.drdobbs.com/cpp/184403758>