Function smartnoise_runtime::components::count::count [−][src]
pub fn count<T>(data: &ArrayD<T>) -> Result<ArrayD<Integer>>
Gets number of rows of data.
Arguments
data
- Data for which you want a count.
Return
Number of rows in data.
Example
use ndarray::{ArrayD, arr1, arr2}; use smartnoise_runtime::components::count::count; let data = arr2(&[ [false, false, true], [true, true, true] ]).into_dyn(); let n = count(&data).unwrap(); assert!(n.first().unwrap() == &2);