``` r vctrs::vec_is(c(a = TRUE), logical()) #> [1] FALSE ``` <sup>Created on 2019-12-12 by the [reprex package](https://reprex.tidyverse.org) (v0.3.0.9000)</sup> Related to https://github.com/tidyverse/dplyr/issues/4638
Created on 2019-12-12 by the reprex package (v0.3.0.9000)
Related to tidyverse/dplyr#4638