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2021-04-01 00:10:54 <larryba> I'm not sure that question is unambiguously about dependent types either (I just read the original question, not further replies by the OP, if there are any). it could just as easily mean: "does haskell have unsigned int type". it would be clearer if the question was about integers > 1
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2021-04-01 00:17:10 <larryba> so yes, it appears that his question was related to dependent types. "Non-empty lists? Sorted lists? Strings that are valid credit card numbers? - synapse Aug 11 '12"
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2021-04-01 00:17:45 <larryba> but imagine if it wasn't, that it was just a newbie asking "does haskell have unsigned int type, like C, or it doesn't, like java", and then getting a bunch of replies talking about dependent types, and peano numbers. :). which is a reply he got 1 day prior to quote message above
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2021-04-01 00:18:23 <larryba> quoted*
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2021-04-01 00:56:22 <koz_> I have this in a heap profile: (674)concat.go/run/concat/... 12977352
2021-04-01 00:56:26 <koz_> What does this refer to>
2021-04-01 00:56:27 <koz_> ?*
2021-04-01 00:56:27 <lambdabot> Maybe you meant: v @ ? .
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2021-04-01 01:06:00 <koz_> :t foldl'
2021-04-01 01:06:01 <lambdabot> Foldable t => (b -> a -> b) -> b -> t a -> b
2021-04-01 01:06:24 <cmeans> Yes, so dependent-types wasn't as directly helpful as I might have hoped...so clearly I didn't frame my question well enough
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2021-04-01 01:08:58 <cmeans> Say I'm writing a program to solve a Sudoku puzzle (watching a YT series), and I was looking at testing validity of an existing game (constructed as a List of List of elements).
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2021-04-01 01:10:06 <cmeans> It seemed like a simple way to force some validness, would be to make sure that a given row could only have 9 elements in it's List.  And that there would only be 9 Lists.
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2021-04-01 01:11:14 <cmeans> Looking for directions to a solution that exists today.
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2021-04-01 01:12:01 <koz_> cmeans: vector-sized might help.
2021-04-01 01:12:19 <koz_> Since then you can just say 'my board is 'Vector 9 (Vector 9 Int)', any questions')
2021-04-01 01:13:00 <cmeans> I saw that in my search.  So, I'd use a Vector instead of a List.  And Vector is in a package i can import?
2021-04-01 01:13:10 <koz_> cmeans: Yes - vector-sized.
2021-04-01 01:13:35 <cmeans> OK.  Thanks koz_
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