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module Main where
import GHC.Stack.CloneStack
import System.IO.Unsafe
returnFrame :: Int -> [StackEntry]
returnFrame i = case ( unsafePerformIO $ do
stack <- cloneMyStack
stackEntries <- decode stack
pure (i, stackEntries)
) of
(1, stackEntries) -> stackEntries
_ -> []
main :: IO ()
main = do
assertEqual (returnFrame 1) []
return ()
assertEqual :: (Eq a, Show a) => a -> a -> IO ()
assertEqual x y =
if x == y
then return ()
else error $ "assertEqual: " ++ show x ++ " /= " ++ show y
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