tc126.hs:16:25: warning: [-Wmissing-methods (in -Wdefault)]
    • No explicit implementation for
        ‘bug’
    • In the instance declaration for ‘Bug (Int -> r) Int r’

tc126.hs:17:10: warning: [-Wmissing-methods (in -Wdefault)]
    • No explicit implementation for
        ‘bug’
    • In the instance declaration for ‘Bug f (c a) (c r)’