13 lines
430 B
Text
13 lines
430 B
Text
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A -. B NB. items in A but not in B
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┌──────┐
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│Serena│
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└──────┘
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A -.~ B NB. items in B but not in A
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┌───┐
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│Jim│
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└───┘
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A NB. A is a sequence without duplicates
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┌────┬──────┬───┬────┐
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│John│Serena│Bob│Mary│
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└────┴──────┴───┴────┘
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