Aliases: count_fields
Keywords:
### ** Examples count_fields(readr_example("mtcars.csv"), tokenizer_csv())
[1] 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 [26] 11 11 11 11 11 11 11 11