def dq.pick
import cswap-bend-cli@0.1.0.0/fmt/ylex.bend as Yleximport Base
163def dq.pick(done: Bool, n: Nat, rest: Maybe<&2, Nat>) -> Maybe<&2, Nat>:
164 match done:
165 case True{}:
166 Some{n}
167 case False{}:
168 rest
import cswap-bend-cli@0.1.0.0/fmt/ylex.bend as Yleximport Base
163def dq.pick(done: Bool, n: Nat, rest: Maybe<&2, Nat>) -> Maybe<&2, Nat>:
164 match done:
165 case True{}:
166 Some{n}
167 case False{}:
168 rest