def fork_cols
import bend-visgraph@2.0.0.0/parallel.bend as Parallelimport Base
import bend-visgraph@2.0.0.0/visgraph.bend as VG
19def fork_cols(c: VG.Cols) -> VG.Cols & VG.Cols:
20 VG.Cols{ys, lefts, rights} = c
21 fork3(Array.fork(F32, ys), Array.fork(U32, lefts), Array.fork(U32, rights))