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Diffstat (limited to 'testsuite/tests/deSugar/should_compile/ds036.hs')
| -rw-r--r-- | testsuite/tests/deSugar/should_compile/ds036.hs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/testsuite/tests/deSugar/should_compile/ds036.hs b/testsuite/tests/deSugar/should_compile/ds036.hs new file mode 100644 index 0000000000..12b90ed3ab --- /dev/null +++ b/testsuite/tests/deSugar/should_compile/ds036.hs @@ -0,0 +1,47 @@ +{- +From dmc@minster.york.ac.uk Tue Mar 10 17:15:20 1992 +Via: uk.ac.york.minster; Tue, 10 Mar 92 17:15:14 GMT +Message-Id: <swordfish.700247842@minster.york.ac.uk> +From: dmc@minster.york.ac.uk +To: partain +Date: 10 Mar 1992 17:17:21 GMT + +Will, + +I have just started using Haskell at York and have found a compilation +error in the code below which disappears when the last line is +commented out +-} + +{-# LANGUAGE NPlusKPatterns #-} + +module ShouldCompile where + +--brack :: (Eq a) => a -> a -> [a] -> ([a],[a]) +--brack open close = brack' open close (1 :: Int) + +brack' :: (Eq a) => a -> a -> Int -> [a] -> ([a],[a]) +brack' open close 0 xs = ([],xs) +brack' open close (n+1) [] = ([],[]) +brack' open close (n+1) (h:t) | h == open = ([],[]) + +{- +Is this something I have done wrong or a fault with the compiler? + +Cheers +Dave + + +----------------------------------------------------------------------- +David Cattrall Telephone +44 904 432777 +Department of Computer Science +University of York JANET: dmc@uk.ac.york.minster +YORK Y01 5DD +United Kingdom UUNET: uucp!ukc!minster!dmc +----------------------------------------------------------------------- +-} + +-- and this was Kevin's idea, subsequently... + +kh (n+2) x | x > n = x * 2 +kh (x+1) (m+1) = m |