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However I get error: Couldn't match type ‘Tree Vertex’ with ‘[a0]’ when i run it in the buffer. I'm a Haskell beginner and not sure what to make of this. Can I not import Data.Graph or what?
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Prison Transport
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So I have this, which compiles and runs fine locally:
However I get error: Couldn't match type ‘Tree Vertex’ with ‘[a0]’ when i run it in the buffer. I'm a Haskell beginner and not sure what to make of this. Can I not import Data.Graph or what?