[Lemon-user] Reverse Iterator

Martin Clauß martin at dev2day.de
Sat Sep 17 14:10:06 CEST 2011


Hello!

I have a minor problem and do not no whether there is a class or 
function to solve it.

I want to iterate through all nodes using NodeIt from g.id(node) == 0 to 
g.id(node) == g.countNodes() - 1. With the current implementation I get 
the reversed order (i.e. g.id(node) = NUMBER_OF_NODES - 1, 
NUMBER_OF_NODES - 2, ..., 2, 1, 0).

Is there a simple solution to iterate backwards (i.e. g.id(node) = 0, 1, 
2, ...) through all nodes?

Thank you very much for your time!

Martin



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