Is DatasetMeta object
Examples
load(metacore_example("pilot_ADaM.rda"))
adsl <- select_dataset(metacore, "ADSL", quiet = TRUE)
is_DatasetMeta("DUMMY") # Expect FALSE
#> [1] FALSE
is_DatasetMeta(metacore) # Expect FALSE
#> [1] FALSE
is_DatasetMeta(adsl) # Expect TRUE
#> [1] TRUE