def ar.put
import bend-kit-regex@0.8.0.0/regex.bend as Regeximport Base
1898def ar.put(r: Array<Th> & List<&2, Maybe<&2, U32>>, spare: Array<Th>, +pc: U32, saves: List<&2, U32>, +pos: U32, +i: U32) -> Array<Th> & Array<Th>:
1899 (old, caps) = r
1900 (old, Array.set(Th, spare, i, Th{pc, saves.put(saves, caps, pos)}))