[Haskell-cafe] Data.Set subset function?

[Graham Klyne]

I don't see a subset function in Data.Set.  What is the preferred way to 
define this?

I currently have:

   a `subset` b = isEmptySet (a `minusSet` b)

(Hmmm... does library style prefer `subset`, `subsetOf`, `isSubset`, 
`isSubsetOf` ?)

#g


------------
Graham Klyne
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