RosettaCodeData/Task/Set-consolidation/SETL/set-consolidation.setl
2023-12-16 21:33:55 -08:00

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Text

program set_consolidation;
tests := [
{{'A','B'}, {'C','D'}},
{{'A','B'}, {'B','D'}},
{{'A','B'}, {'C','D'}, {'D','B'}},
{{'H','I','K'}, {'A','B'}, {'C','D'}, {'D','B'}, {'F','G','H'}}
];
loop for t in tests do
print(consolidate(t));
end loop;
proc consolidate(sets);
outp := {};
loop while sets /= {} do
set_ from sets;
loop until overlap = {} do
overlap := {s : s in sets | exists el in s | el in set_};
set_ +:= {} +/ overlap;
sets -:= overlap;
end loop;
outp with:= set_;
end loop;
return outp;
end proc;
end program;