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has_a_cycle ... Returns a cycle if the graph has one (as a list of vertices), an e +mpty list if no cycle can be found. Note that this just returns the vertices of a cycle: not any parti +cular cycle, just the first one it finds. A repeated call might find +the same cycle, or it might find a different one, and you cannot call + this repeatedly to find all the cycles.
regular expressions shiny regexes and rules offered by Perl 6 XML::Simple other CPAN module by looking at it on my monitor I print it and I read it in spare time first I convert it into $FORMAT, then I parse it I hire someone to do it using my custom module I write a brand new language to do the task on the server where I play as human, XML is forbidden what is XML? I speak XML natively I write a new grammar for Perl 6 some other way
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