[Haskell-cafe] Re: What do _you_ want to see in FGL?
apfelmus at quantentunnel.de
Wed May 19 04:02:39 EDT 2010
Ivan Lazar Miljenovic wrote:
> Heinrich Apfelmus writes:
>> Yes; what I mean is that you can retrofit a custom vertex type to any
>> graph implementation that uses a fixed vertex type. So, let's say that
>> data Gr a b = .. -- graph with vertex type Vertex Gr = Int
>> type Gr' node a b = CustomVertex node Gr a b
>> data CustomVertex node gr a b = CV (gr a b) (Map node (Vertex gr))
>> is a graph with custom vertex type node .
> Sounds like it's more complicated than it's worth tbh ;-)
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