[Haskell-cafe] Library support for sorting with Text.Data.ICU.Collate.MCollator?

Richard Cobbe cobbe at ccs.neu.edu
Mon Sep 19 15:26:27 CEST 2011

I'm trying to sort a list of Text values using a collator obtained from the
Text.Data.ICU.Collate module in the text-icu package on Hackage.
Unfortunately, I can't use the normal Data.List.sortBy function with one of
these collators, because the collators return (IO Ordering), not Ordering.

It's easy to write sortWithCollator :: [Text] -> IO [Text], but I'd rather
not have to.  I haven't been able to find library support for this anywhere
-- am I overlooking it, or do I need to write the sort function myself?



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