def raster.depth
import gralha-svg-render@0.1.0.1/svg.bend as Svgimport Base
import gralha-text-scan@0.1.0.1/scan.bend as U
4015def raster.depth(+size: U32, +side: U32, +depth: Nat) -> Nat:
4016 U.branch(Nat, U32.is_ge(side, size), _ => depth, _ => raster.depth(size, (side * 2 : U32), 1n+depth))