Expose vec_names2(), vec_names() and vec_set_names() #1173
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Needed for: - tidyverse/tibble#797 - tidyverse/tibble#738 - tidyverse/tibble#730 and perhaps more.
lionel-
reviewed
Jul 6, 2020
R/names.R
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| #' Returns the repaired names from a vector, even if the vector is unnamed. | ||
| #' @description | ||
| #' These functions work like [rlang::names2()], [names()] and [names<-()], | ||
| #' except that they return or modify the conceptual names of the vector. |
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the rowwise names of the vector. These are:
- The usual
names()for atomic vectors and lists - The row names for data frames and matrices
- The names of the first dimension for arrays
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Excuse the drive-by comment, but what is meant by "conceptual" names? If that term is defined and used elsewhere and I just don't have enough context, then never mind.
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Agreed this is not a defined term. I'm suggesting to replace "conceptual" by "rowwise", which seems clearer?
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I think since it is so related to the vctrs concept of size, they could be called "size consistent names"
DavisVaughan
approved these changes
Jul 6, 2020
R/names.R
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| #' `vec_names()` is a bare-bones version that returns `NULL` if the vector is | ||
| #' unnamed. | ||
| #' | ||
| #' `vec_set_names()` sets the names. |
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Perhaps a note that you can set names to NULL to remove them?
Co-authored-by: Davis Vaughan <davis@rstudio.com> Co-authored-by: Lionel Henry <lionel.hry@gmail.com>
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Thanks for the feedback! |
lionel-
approved these changes
Jul 6, 2020
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| #' Rowwise names are size consistent: the length of the names always equals | ||
| #' [vec_size()]. |
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Thanks! |
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Needed for:
and perhaps more.