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tidyverse / funs

Collection of low-level functions for working with vctrs
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Implement n_distinct() #44

Open hadley opened 4 years ago

hadley commented 4 years ago

As simple wrapper around vec_unique_count(), that can easily take multiple vectors.

Note that tibble() is slow so need to think about this, and probably use a lower-level constructor from vctrs. Will need to use same approach in #40