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sirmxanot/gist:4076682

Created November 15, 2012 04:39
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gistfile1.txt
#this is preferable
graph[vertex_delete].each do |edge|
graph[edge].map! do |vertex|
vertex == vertex_delete ? vertex_keep : vertex
end
end
#to this?
graph[vertex_delete].each {|edge| graph[edge].map! {|vertex| vertex == vertex_delete ? vertex_keep : vertex}}
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