Polymorphic unpacking through backpack?

• nodedemo

  1 0 0.0 Haskell

  Backpack demo/issue

for particular types a, c, b, and d. The issue that I'm essentially running into is that I'm not sure how I can get my hands on the copies/instances of the 'Node' type used by the library that implements 'bimapNode'. A more detailed/precise description of the problem, a minimum "working" example, and my attempts so far are at https://github.com/noinia/nodedemo .Does ideas on how to proceed with this kind of thing?

• really-small-backpack-example

  8 50 2.8 Haskell

  A really small example of the Backpack module system for Haskell

Also worth mention how module identity works in Backapck: two modules instantiated separately but with the same ingredients are "equal" and have compatible types.

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