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by hatmatrix
3858 days ago
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Maybe I'm an FP snob but it would have been nice to mention the analogy to set builder notation (though lists aren't sets - maybe multisets or bags) to indicate the existence of higher abstraction; not just syntactic sugar on the for-loop. However, from a practical point of view I think it is great introduction for procedural programmers to begin using list comprehensions. |
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arrays/lists (like maps/hashes, though with a more narrow restriction on the indices) are (or at least are isomorphic to) sets of pairs of (index, element).
They carry information about order which does not exist in multisets/bags.