Check if an object is a tplyr_spec
Examples
spec <- tplyr_spec(cols = "TRT01P", layers = tplyr_layers(group_count("SEX")))
is_tplyr_spec(spec)
#> [1] TRUE
is_tplyr_spec(mtcars)
#> [1] FALSE
Check if an object is a tplyr_spec
spec <- tplyr_spec(cols = "TRT01P", layers = tplyr_layers(group_count("SEX")))
is_tplyr_spec(spec)
#> [1] TRUE
is_tplyr_spec(mtcars)
#> [1] FALSE