def push
import bend-kit-time@0.3.0.0/time.bend as Timeimport Base
405def push(vs: List<&2, U32>, r: Maybe<&1, U32 & String>) -> Maybe<&2, P>:
406 match r:
407 case None{}:
408 None{}
409 case Some{(v, t)}:
410 Some{P{Con{v, vs}, t}}