Visgraph.degrees.into: def of bend-visgraph@2.0.0.0
Import: import bend-visgraph@2.0.0.0/visgraph.bend as Visgraph
Lines 561-570 of bend-visgraph@2.0.0.0/visgraph.bend: https://jend.leeeet.dev/read.txt?path=bend-visgraph@2.0.0.0/visgraph.bend&start_line=561&end_line=570

import Base

# The degrees of the nodes of `es`, added into `d`; parallel.bend counts
# them on every thread.
def degrees.into(es: Edges, d: Array<U32>) -> Array<U32>:
  match es:
    case ENil{}:
      d
    case ECon{s, t, w, next}:
      degrees.into(next, atomic_bump(atomic_bump(d, s), t))
    case EJoin{a, b}:
      degrees.into(b, degrees.into(a, d))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Array
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-visgraph@2.0.0.0/visgraph.bend&name=Edges
  https://jend.leeeet.dev/definition.txt?path=bend-visgraph@2.0.0.0/visgraph.bend&name=atomic_bump