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Support nonstandard representations? #27

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krlmlr opened this Issue Oct 24, 2016 · 3 comments

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krlmlr commented Oct 24, 2016

  • POSIXlt (list of 11, each element has length n)
  • intervals (n x 2 matrix)
  • S4 classes
  • ...

@krlmlr krlmlr referenced this issue Oct 24, 2016

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dplyr support #1

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edzer commented Oct 24, 2016

  • list-column with geometries, as in sf and in PostGIS tables
@hadley

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hadley commented Dec 14, 2016

I think part of vctrs will be defining a "standard" representation to support. I suspect objects that "lie" about their length (like POSIXlt) will not qualify.

I think we'll need a base class (like "vctr"), and contract about how vctr methods handle attributes, and lists of generics that you need to provide methods for giving desired behaviours.

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hadley commented Aug 16, 2018

Now implemented :)

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