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user 4794
For Haskell programming questions specifically related to Cardano. For more generic programming questions about Haskell, please consider using Stack Overflow instead.
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How to fix Duplicate instance declaration error in byron-spec-ledger package?
I'm trying to add cardano-wallet-core as a dependency to my Haskell project, so I can use the servant client. …
- 131
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How to fix Duplicate instance declaration error in byron-spec-ledger package?
The issue was that in hashable-1.3.4.0, the instance was added, and it was also defined in the byron-spec-ledger package.
Adding this constraint to my cabal.project file solved the issue:
constraints: …
- 131