Function tile

nodedb-array/src/query/elementwise.rs:175–183

(rows: &[(i64, i64)])

    }

    fn tile(rows: &[(i64, i64)]) -> SparseTile {
        let s = schema();
        let mut b = SparseTileBuilder::new(&s);
        for (k, v) in rows {
            b.push(&[CoordValue::Int64(*k)], &[CellValue::Int64(*v)])
                .unwrap();
        }
        b.build()
    }

    #[test]
    fn add_aligned_cells() {