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12193Re: "ocaml_beginners"::[] Variance of arrays

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  • Lukasz Stafiniak
    Oct 5, 2010
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      Is there a widely used immutable array library? I'm interested in
      arbitrary-size tuples without update (for updatable immutable arrays I
      would just use maps), but with mapping, folding, patterns and access
      syntax.

      On Tue, Oct 5, 2010 at 2:00 PM, Lukasz Stafiniak <lukstafi@...> wrote:
      > On Tue, Oct 5, 2010 at 1:55 PM, Lukasz Stafiniak <lukstafi@...> wrote:
      >>
      >> Why oh why are arrays invariant, while lists are nicely covariant?
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