BackwardLAWS.accumulate_moves_in: law of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/backward_LAWS.bend as BackwardLAWS
Lines 280-284 of bendtorch-core@0.1.0.0/src/autograd/backward_LAWS.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward_LAWS.bend&start_line=280&end_line=284

import Base
import bendtorch-core@0.1.0.0/src/autograd/backward.bend as Backward

# Fan-out: a node's first contribution moves in, and each later one is added
# to the held total with one F32 add, total first.
law accumulate_moves_in:
  for contribution: Maybe<&2, F32>
  {Backward.accumulate(None{}, contribution) == contribution : Maybe<&2, F32>}

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=Maybe
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&name=accumulate