T5684e.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 'c' undefined, op False False]
      In an equation for ‘flop5’:
          flop5 = [op True undefined, op 'c' undefined, op False False]

T5684e.hs:13:12: 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 'c' undefined, op False False]
      In an equation for ‘flop5’:
          flop5 = [op True undefined, op 'c' undefined, op False False]