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<interactive>:6:1:
No instance for (Show a) arising from a use of `print'
Cannot resolve unknown runtime type `a'
Use :print or :force to determine these types
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 24 others
In a stmt of an interactive GHCi command: print it
<interactive>:8:1:
No instance for (Show a) arising from a use of `print'
Cannot resolve unknown runtime type `a'
Use :print or :force to determine these types
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 24 others
In a stmt of an interactive GHCi command: print it
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