Unique dependencies in dot graph #713
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Sometimes the same import is used multiple times in a given
dhallfile. This just adds extra noise in the generated graph.For example here:
https://github.com/dhall-lang/dhall-to-cabal/blob/8967220bd3618c876bbc4f7b0c93d49fa47a30ee/dhall/unconditional.dhall#L21-L26
It results in 4 connections between two nodes where 1 would be enough.
By making the generated graph
strictwe prune away all the redundant connection making the graph more readable.With
dhall-to-cabalas a real world example:Before this PR:
After this PR: