[1 of 3] Processing p
  [1 of 2] Compiling H[sig]           ( p\H.hsig, nothing )
  [2 of 2] Compiling A                ( p\A.hs, nothing )
[2 of 3] Processing q
  Instantiating q
  [1 of 1] Compiling H                ( q\H.hs, bkpfail09.out\q\H.o )
[3 of 3] Processing r
  [1 of 3] Compiling H2[sig]          ( r\H2.hsig, nothing )
  [2 of 3] Instantiating p

Command line argument: -unit-id p[H=H]:0:0: error: [GHC-93011]
    • ‘H’ is exported by the hsig file, but not exported by the implementing module ‘q:H’
    • While checking that ‘q:H’ implements signature ‘H’ in ‘p[H=q:H]’.

Command line argument: -unit-id p[H=H]:0:0: error: [GHC-93011]
    • ‘H’ is exported by the hsig file, but not exported by the implementing module ‘q:H’
    • While checking that ‘q:H’ implements signature ‘H’ in ‘p[H=q:H]’.