transition to vec_slice() in get_pkgs()

[simonpcouch]

With main dev:

library(tidymodels)
  
set.seed(1)

bench::mark(
  old = 
    fit_resamples(
      linear_reg(),
      mpg ~ .,
      bootstraps(mtcars)
    )
)
#> # A tibble: 1 × 6
#>   expression      min   median `itr/sec` mem_alloc `gc/sec`
#>   <bch:expr> <bch:tm> <bch:tm>     <dbl> <bch:byt>    <dbl>
#> 1 old           210ms    213ms      4.61    14.2MB     7.68

With this PR:

#> # A tibble: 1 × 6
#>   expression      min   median `itr/sec` mem_alloc `gc/sec`
#>   <bch:expr> <bch:tm> <bch:tm>     <dbl> <bch:byt>    <dbl>
#> 1 new           201ms    204ms      4.77    14.1MB     7.96

^{Created on 2023-05-01 with reprex v2.0.2}

[EmilHvitfeldt]

looking good!

[github-actions]

This pull request has been automatically locked. If you believe you have found a related problem, please file a new issue (with a reprex: https://reprex.tidyverse.org) and link to this issue.