def path.next

gralha-svg-render@0.1.0.1 · svg.bend:225

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

225def path.next(s: String, +cmd: U32) -> PathNext:
226  match s:
227    case SNil{}: PathNext{0, 0, ""}
228    case SCon{Chr{c}, t}:
229      +cc = c
230      PathNext{U.choose(U32, path.letter(cc), 1, U.choose(U32, U32.is_ne(cmd, 0), 2, 3)), cc, t}