tc125.hs:17:10: warning: [GHC-06201] [-Wmissing-methods (in -Wdefault)]
    • No explicit implementation for
        ‘add’
    • In the instance declaration for ‘Add Z a a’

tc125.hs:18:10: warning: [GHC-06201] [-Wmissing-methods (in -Wdefault)]
    • No explicit implementation for
        ‘add’
    • In the instance declaration for ‘Add (S a) b (S c)’

tc125.hs:22:10: warning: [GHC-06201] [-Wmissing-methods (in -Wdefault)]
    • No explicit implementation for
        ‘mul’
    • In the instance declaration for ‘Mul Z a Z’

tc125.hs:23:10: warning: [GHC-06201] [-Wmissing-methods (in -Wdefault)]
    • No explicit implementation for
        ‘mul’
    • In the instance declaration for ‘Mul (S a) b d’

tc125.hs:30:10: warning: [GHC-06201] [-Wmissing-methods (in -Wdefault)]
    • No explicit implementation for
        ‘add’
    • In the instance declaration for
        ‘Add (Q a b) (Q c d) (Q ad_bc bd)’