[Haskell-cafe] newTArrayIO

[Chad Scherrer]

This seems like a natural thing to have around, but it's not in GHC 6.6...

newTArrayIO :: (Enum i, Ix i) => (i, i) -> a -> IO (TArray i a)
newTArrayIO (a,b) = liftM (TArray . listArray (a,b)) . sequence . zipWith
ignore [a..b] . repeat . newTVarIO
  where ignore = flip const

I haven't done any testing with this beyond type checking, but it seems like
it could be useful for similar cases to newTVarIO. Has anyone else played
with anything similar?

-- 

Chad Scherrer

"Time flies like an arrow; fruit flies like a banana" -- Groucho Marx
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