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{-# LANGUAGE DatatypeContexts #-}
-- Killed GHC 5.02.3
-- Confusion about whether the wrapper for a data constructor
-- with a "stupid context" includes the stupid context or not
-- Core lint catches it, but it seg-faults if it runs
module Main where
data Color = Red
| Black
deriving Show
data Ord k => Tree k d = None
| Node{color::Color,
key::k,
item::d,
left::(Tree k d),
right::(Tree k d)}
deriving Show
insert k i t = (insert2 t) {color=Black}
where insert2 None = Node{color=Red,
key=k,
item=i,
left=None,
right=None}
main = print (insert 1 2 None)
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