How to identify the class of a variable within a tidyeval function?

General
1

Hi,

How do you identify the class of a variable within a tidyeval function?

The only way I know to do it is to pull the variable into a vector, but that seems quite inefficient

Thanks!
David

2

I'm posting this to make the discussion more concrete. Comments or questions welcome

library(tidyverse)
classident <- function(data, var) {
  var_ <- enquo(var)
  
  data %>%
    summarise(class = class(!!var_))
}

classident(mtcars,  mpg)
3

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