12.2 Dataset Predicates & Properties
predicate
(dataset-named? ds) → boolean?
ds : dataset? 
TBD
predicate
(dataset-empty? ds) → boolean?
ds : dataset? 
TBD
procedure
(dataset-count ds) → exact-nonnegative-integer?
ds : dataset? 
TBD
| ▼ | 12 | Module dataset | 
| 12.1 | Dataset Type | 
| 12.2 | Dataset Predicates & Properties | 
| 12.3 | Graph Members | 
| 12.4 | Dataset Filtering | 
| 12.5 | Dataset Operations | 
| dataset- | 
| dataset- | 
| dataset- | 
predicate
(dataset-named? ds) → boolean?
ds : dataset? 
predicate
(dataset-empty? ds) → boolean?
ds : dataset? 
procedure
(dataset-count ds) → exact-nonnegative-integer?
ds : dataset?