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[1 of 3] Processing p
[1 of 1] Compiling H[sig] ( p\H.hsig, nothing )
[2 of 3] Processing q
Instantiating q
[1 of 1] Compiling H ( q\H.hs, T23342.out\q\H.o )
[3 of 3] Processing r
Instantiating r
[1 of 2] Including q
[2 of 2] Including p[H=q:H]
Instantiating p[H=q:H]
[1 of 1] Compiling H[sig] ( p\H.hsig, T23342.out\p\p-D5Mg3foBSCrDbQDKH4WGSG\H.o )
T23342.bkp:14:5: error: [GHC-15843]
• Type constructor ‘T1’ has conflicting definitions in the module
and its hsig file.
Main module: type T1 :: *
type T1 = forall a. a -> a
Hsig file: type T1 :: *
data T1
Illegal implementation of abstract data:
Invalid polymorphic type: forall a. a -> a.
• While checking that ‘q:H’ implements signature ‘H’ in ‘p[H=q:H]’.
T23342.bkp:15:5: error: [GHC-15843]
• Type constructor ‘T2’ has conflicting definitions in the module
and its hsig file.
Main module: type T2 :: *
type T2 = forall a. C a => a
Hsig file: type T2 :: *
data T2
Illegal implementation of abstract data:
Invalid polymorphic type: forall a. C a => a.
• While checking that ‘q:H’ implements signature ‘H’ in ‘p[H=q:H]’.
T23342.bkp:16:5: error: [GHC-15843]
• Type constructor ‘T3’ has conflicting definitions in the module
and its hsig file.
Main module: type T3 :: *
type T3 = C S => S -> S
Hsig file: type T3 :: *
data T3
Illegal implementation of abstract data:
Invalid qualified type: C S => S -> S.
• While checking that ‘q:H’ implements signature ‘H’ in ‘p[H=q:H]’.
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