[boost] Re: BGL bfs and dfs

[Vladimir Prus]

Hi vladimir,

DF visit and undirected-DFV implementations (depth_first_visit_impl
and undir_dfv_impl) functions receive ColorMaps by value, consequently the
main trunk of the algorithm loose the graph coloring that these functions
have performed.
Am I missing something here?

I think so. Property maps usually have shallow copy semantics. Copies reference the same data.

- Volodya


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