Pick.pick.head.at: def of cswap-bend-cli@0.1.0.0
Import: import cswap-bend-cli@0.1.0.0/policy/pick.bend as Pick
Lines 226-231 of cswap-bend-cli@0.1.0.0/policy/pick.bend: https://jend.leeeet.dev/read.txt?path=cswap-bend-cli@0.1.0.0/policy/pick.bend&start_line=226&end_line=231

import Base
import cswap-bend-cli@0.1.0.0/policy/types.bend as T
import cswap-bend-cli@0.1.0.0/policy/rank.bend as R

def pick.head.at(+h0: Nat, +as: List<&2, T.Account>, +s: R.Sel) -> Pm:
  match h0:
    case 0n:
      PmNone{}
    case 1n+p:
      pk.slot(first(as, s, h0), None{}, h0)

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=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/policy/pick.bend&name=Pm
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/policy/pick.bend&name=first
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/policy/pick.bend&name=pk.slot
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/policy/rank.bend&name=Sel
  https://jend.leeeet.dev/definition.txt?path=cswap-bend-cli@0.1.0.0/policy/types.bend&name=Account