On Mon, Feb 21, 2005 at 02:39:54PM -0500, S. Alexander Jacobson wrote:
> Data.FiniteMap has functions keysFM_GE and eltsFM_GE which return the
> keys or elts of pairs greater than or equal to the provided key.
>
> These functions do not appear to be in the new Data.Map.
>
> Is this intentional?
There is
splitLookup :: (Ord k) =>
k
-> Data.Map.Map k a
-> (Data.Map.Map k a, Maybe a, Data.Map.Map k a)
and
toAscList :: Data.Map.Map k a -> [(k, a)]
so you can write keysFM_GE and eltsFM_GE yourself, for example:
eltsFM_GE k m = maybe [] return eq ++ Prelude.map snd (toAscList ge)
where
(_, eq, ge) = splitLookup k m in
Best regards
Tomasz
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