def once
import ezx@1.13.0.0/src/pub/plan.bend as Planimport Base
712# each string of a list once
713def once(xs: List<&2, String>) -> List<&2, String>:
714 once.go(xs, [])
import ezx@1.13.0.0/src/pub/plan.bend as Planimport Base
712# each string of a list once
713def once(xs: List<&2, String>) -> List<&2, String>:
714 once.go(xs, [])