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https://github.com/typeable/haskell-stack-trace-plugin.git
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41 lines
484 B
Haskell
41 lines
484 B
Haskell
module Main where
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import Data.Maybe (fromJust)
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import GHC.Stack
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main :: IO ()
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main = print f1
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f1 :: Int
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f1 = f2
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f2 :: Int
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f2 = f3
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-- HsQualTy
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f3 :: HasCallStack => Int
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f3 = f4 0
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-- HsQualTy
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f4 :: Show a => a -> Int
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f4 _ = f5 0 0
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-- HsFunTy
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f5 :: Int -> Int -> Int
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f5 _ _ = head f6
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-- HsListTy
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f6 :: [Int]
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f6 = [fst f7]
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-- HsTupleTy
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f7 :: (Int, Int)
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f7 = (fromJust f8, fromJust f8)
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-- HsAppTy
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f8 :: Maybe Int
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f8 = Just fError
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-- HsTyVar
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fError :: Int
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fError = error "fError" |