def segments.dir.at

gralha-svg-render@0.1.0.1 · svg.bend:1685

import Base
import gralha-text-scan@0.1.0.1/scan.bend as U

1685def segments.dir.at(xs: List<&2, Segment>, +d: F32, +fallback: Point) -> Point:
1686  match xs:
1687    case Nil{}: fallback
1688    case Con{h, Nil{}}: segment.dir(h)
1689    case Con{h, Con{g, t}}:
1690      +hh = h
1691      U.branch(Point, segment.reaches(hh, d), _ => segment.dir(hh), _ => segments.dir.at(Con{g, t}, d, fallback))