Actually this was not totally accurate

The smallest possible graph with a cycle is (if allowed)

 
x -------------> x

[download]

Unfortunately I can't draw it better, please print it out and bend the paper till both x match. ;)

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Wikisyntax for the Monastery

In reply to Re^4: Graph.pm: How do I represent one-way dependency? by LanX
in thread Graph.pm: How do I represent one-way dependency? by jkeenan1

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