Pkg.scan.walk: def of ezx@1.13.0.0
Import: import ezx@1.13.0.0/src/pkg/pkg.bend as Pkg
Lines 298-307 of ezx@1.13.0.0/src/pkg/pkg.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.13.0.0/src/pkg/pkg.bend&start_line=298&end_line=307

import Base

# the header walked one line at a time. Base's `List.foldl` applies an erased
# function parameter, which Bend's termination check cannot see through, so
# every def reaching it is reported as relying on unsafe code; a walk written
# out is structural and costs nothing.
def scan.walk(ls: List<&2, String>, st: Head) -> Head:
  match ls:
    case []:
      st
    case h <> t:
      scan.walk(t, scan.step(st, h))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/pkg/pkg.bend&name=Head
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/pkg/pkg.bend&name=scan.step