[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, bkpfail10.out/q/H.o )
[3 of 3] Processing r
  Instantiating r
  [1 of 2] Including p[H=q:H]
    Instantiating p[H=q:H]
    [1 of 1] Compiling H[sig]           ( p/H.hsig, bkpfail10.out/p/p-D5Mg3foBSCrDbQDKH4WGSG/H.o )

bkpfail10.bkp:8:9: error:
    • Type constructor ‘H’ has conflicting definitions in the module
      and its hsig file
      Main module: type H :: * -> *
                   data H a = H a
      Hsig file:  type H :: *
                  data H
      The types have different kinds
    • while checking that q:H implements signature H in p[H=q:H]

bkpfail10.bkp:10:9: error:
    • Identifier ‘f’ has conflicting definitions in the module
      and its hsig file
      Main module: f :: H a -> H a
      Hsig file:  f :: H -> H
      The two types are different
    • while checking that q:H implements signature H in p[H=q:H]