def rect.rows
import gralha-coverage@0.1.0.1/cover.bend as Coverimport Base
1217# A full rectangle as rows: one run per row.
1218def rect.rows(n: Nat, +w: U32, acc: List<&2, List<&2, Run>>) -> List<&2, List<&2, Run>>:
1219 match n:
1220 case 0n: acc
1221 case 1n+d: rect.rows(d, w, Con{Con{Run{0, w, 1.0}, Nil{}}, acc})