Created
February 16, 2018 07:17
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Demonstration of Haskell's type defaulting converting Num -> Integer
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| λ ghci -Wtype-defaults | |
| GHCi, version 8.2.2: http://www.haskell.org/ghc/ :? for help | |
| Prelude> :t 23 | |
| 23 :: Num p => p | |
| Prelude> quot 23 2 | |
| <interactive>:2:1: warning: [-Wtype-defaults] | |
| * Defaulting the following constraints to type `Integer' | |
| (Show a0) arising from a use of `print' at <interactive>:2:1-9 | |
| (Integral a0) arising from a use of `it' at <interactive>:2:1-9 | |
| * In a stmt of an interactive GHCi command: print it | |
| 11 |
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