T5684f.hs:12:12: error: [GHC-39999]
    • No instance for ‘A Bool’ arising from a use of ‘op’
    • In the expression: op True undefined
      In the expression:
        [op True undefined, op False False, op 'c' undefined]
      In an equation for ‘flop6’:
          flop6 = [op True undefined, op False False, op 'c' undefined]

T5684f.hs:14:12: error: [GHC-39999]
    • No instance for ‘B Char b0’ arising from a use of ‘op’
    • In the expression: op 'c' undefined
      In the expression:
        [op True undefined, op False False, op 'c' undefined]
      In an equation for ‘flop6’:
          flop6 = [op True undefined, op False False, op 'c' undefined]