[Haskell-cafe] Faster set intersections?

[Ivan Lazar Miljenovic]

On Dec 9, 2018 11:36 AM, "Jan-Willem Maessen" <jmaessen at alum.mit.edu> wrote:


Note that a concrete set "concretizes" anything it touches.  Don't take
unions of these sets, though, it'll just be a mess.


Won't a union just be the same as intersection but using || instead of && ?


-Jan-Willem Maessen


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