Backward.merge: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/backward.bend as Backward
Lines 225-232 of bendtorch-core@0.1.0.0/src/autograd/backward.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&start_line=225&end_line=232

import Base

def merge(entries: List<&2, Entry>, gradients: List<&2, Maybe<&2, F32>>) -> List<&2, Entry>:
  match entries gradients:
    case Nil{} gradients:
      Nil{}
    case Con{entry, rest} Nil{}:
      entry <> rest
    case Con{Entry{node, value, slot}, rest} Con{gradient, more}:
      Entry{node, value, accumulate(slot, gradient)} <> merge(rest, more)

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&name=Entry
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&name=accumulate