def xscan.rows.go
import gralha-coverage@0.1.0.1/cover.bend as Coverimport Base
1033def xscan.rows.go(st: ((Array<F32> & Array<U32>) & (Array<F32> & Array<U32>)) & XData, n: Nat, +y: U32, +w: U32) -> ((Array<F32> & Array<U32>) & (Array<F32> & Array<U32>)) & XData:
1034 match n:
1035 case 0n: st
1036 case 1n+d: xscan.rows.go(xscan.row(st, y, w), d, (y + 1 : U32), w)