def seq.fin
import cswap-bend-cli@0.1.0.0/fmt/yscal.bend as Yscalimport Base
import cswap-bend-cli@0.1.0.0/fmt/ylex.bend as L
222def seq.fin(closed: Bool, +s: String) -> L.JR():
223 match closed:
224 case True{}:
225 wrap.arr(flow.items(split_top(inner(s))))
226 case False{}:
227 Fail{"unterminated flow sequence"}