Skip to content

Plutarch: Using s type variable conflicts with the Plutarch scope s variable printed by default  #231

Open
@bladyjoker

Description

@bladyjoker

Sample

record ScriptDatum s = {
  scriptType : s,
  -- ^ Protocol specific script type stored in this UTxO
  redeemer : AssetClass
  -- ^ Wallet containing `$redeemer` must sign the 'delete-script' transaction as an authorization method
}
derive Eq (ScriptDatum s)
derive PlutusData (ScriptDatum s)
derive Json (ScriptDatum s)

Error

       > [1 of 2] Compiling LambdaBuffers.Cardano.Extra.OneShot.Validation.Plutarch ( autogen/LambdaBuffers/Cardano/Extra/OneShot/Validation/Plutarch.hs, dist/build/LambdaBuffers/Cardano/Extra/OneShot/Validation/Plutarch.o, dist/build/LambdaBuffers/Cardano/Extra/OneShot/Validation/Plutarch.dyn_o )
       > [2 of 2] Compiling LambdaBuffers.Cardano.Extra.ScriptStorage.Validation.Plutarch ( autogen/LambdaBuffers/Cardano/Extra/ScriptStorage/Validation/Plutarch.hs, dist/build/LambdaBuffers/Cardano/Extra/ScriptStorage/Validation/Plutarch.o, dist/build/LambdaBuffers/Cardano/Extra/ScriptStorage/Validation/Plutarch.dyn_o )
       >
       > autogen/LambdaBuffers/Cardano/Extra/ScriptStorage/Validation/Plutarch.hs:31:18: error:
       >     Conflicting definitions for ‘s’
       >     Bound at: autogen/LambdaBuffers/Cardano/Extra/ScriptStorage/Validation/Plutarch.hs:31:18-38
       >               autogen/LambdaBuffers/Cardano/Extra/ScriptStorage/Validation/Plutarch.hs:31:40-56
       >    |
       > 31 | data ScriptDatum (s :: Plutarch.PType) (s :: Plutarch.S) = ScriptDatum (Plutarch.Term s (Plutarch.Builtin.PAsData s))
       >    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Workaround

Just use a different letter than s


record ScriptDatum a = {
  scriptType : a,
  -- ^ Protocol specific script type stored in this UTxO
  redeemer : AssetClass
  -- ^ Wallet containing `$redeemer` must sign the 'delete-script' transaction as an authorization method
}
derive Eq (ScriptDatum a)
derive PlutusData (ScriptDatum a)
derive Json (ScriptDatum a)

Metadata

Metadata

Assignees

No one assigned

    Labels

    bugSomething isn't workingcodegenplutarchAll things Plutarch

    Type

    No type

    Projects

    Status

    Todo

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions