Scan.scan: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/json/scan.bend as Scan
Lines 33-39 of cswap-bend-cli@0.1.0.0/json/scan.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/json/scan.bend&start_line=33&end_line=39

import Base
import cswap-bend-cli@0.1.0.0/json/lex.bend as Lex

# Tokens before the first comma or closer at depth 0.
def scan(toks: List<&2, Lex.Tok>, +d: U32) -> Nat:
  match toks:
    case Nil{}:
      0n
    case Con{+h, t}:
      scan.pick(stopper(tk.kind(h), d), 1n+scan(t, depth.next(tk.kind(h), d)))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/json/lex.bend&name=Tok
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/json/scan.bend&name=depth.next
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/json/scan.bend&name=scan.pick
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/json/scan.bend&name=stopper
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/json/scan.bend&name=tk.kind