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a5b08469a2
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9ad49c4405
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9ad49c4405 | |||
b950572e97 |
@ -34,11 +34,6 @@ data Diagram vtx = Diagram
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}
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deriving (Show, Read)
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data Direction
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= Up
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| Down
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deriving (Eq, Ord, Read, Show)
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data InsertError vtx
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= InsertError_DuplicateVertex
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| InsertError_UnknownDownVertex vtx
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