
<interactive>:6:1:
    No instance for (Show t1) arising from a use of ‘print’
    Cannot resolve unknown runtime type ‘t1’
    Use :print or :force to determine these types
    Relevant bindings include it :: t1 (bound at <interactive>:6:1)
    Note: there are several potential instances:
      instance Show Double -- Defined in ‘GHC.Float’
      instance Show Float -- Defined in ‘GHC.Float’
      instance Show () -- Defined in ‘GHC.Show’
      ...plus 22 others
    In a stmt of an interactive GHCi command: print it

<interactive>:8:1:
    No instance for (Show t1) arising from a use of ‘print’
    Cannot resolve unknown runtime type ‘t1’
    Use :print or :force to determine these types
    Relevant bindings include it :: t1 (bound at <interactive>:8:1)
    Note: there are several potential instances:
      instance Show Double -- Defined in ‘GHC.Float’
      instance Show Float -- Defined in ‘GHC.Float’
      instance Show () -- Defined in ‘GHC.Show’
      ...plus 22 others
    In a stmt of an interactive GHCi command: print it