Visgraph.set_at: def of bend-visgraph@2.0.0.0
Import: import bend-visgraph@2.0.0.0/visgraph.bend as Visgraph
Lines 636-643 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=636&end_line=643

import Base

def set_at(k: Nat, ts: Tops, v: F32) -> Tops:
  match k ts:
    case 0n TCon{old, next}:
      TCon{v, next}
    case 1n+p TCon{old, next}:
      TCon{old, set_at(p, next, v)}
    case _ TNil{}:
      TNil{}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-visgraph@2.0.0.0/visgraph.bend&name=Tops