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[ghc-hetmet.git] / ghc / tests / deriving / should_compile / drv008.hs
1 --!!! deriving Ix on d. type with nullary constructors
2 module ShouldSucceed where
3
4 data AD = A | B | C | D deriving (Show, Ord, Eq, Ix)
5
Glasgow Haskell Compiler with heterogeneous metaprogramming (generalized arrows and modal types)