def pick.head.at
import cswap-bend-cli@0.1.0.0/policy/pick.bend as Pickimport 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
226def pick.head.at(+h0: Nat, +as: List<&2, T.Account>, +s: R.Sel) -> Pm:
227 match h0:
228 case 0n:
229 PmNone{}
230 case 1n+p:
231 pk.slot(first(as, s, h0), None{}, h0)