BackwardLAWS.program_fan_out: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/backward_LAWS.bend as BackwardLAWS
Lines 175-180 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=175&end_line=180

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

# x = 0, a = 1, b = 2, c = 3, p = x * a = 4, q = x * b = 5, r = x * c = 6,
# s = p + q = 7, t = s + r = 8. x has three consumers.
def program_fan_out(x: F32, a: F32, b: F32, c: F32) -> Backward.Tape:
  recorded(Backward.add(recorded(Backward.add(recorded(Backward.mul(recorded(Backward.mul(recorded(Backward.mul(
    tape_of(Backward.leaf(tape_of(Backward.leaf(tape_of(Backward.leaf(tape_of(Backward.leaf(Backward.empty(), x)), a)), b)), c)),
    0n, 1n)), 0n, 2n)), 0n, 3n)), 4n, 5n)), 7n, 6n))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&name=Tape
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&name=add
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&name=empty
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&name=leaf
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&name=mul
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward_LAWS.bend&name=recorded
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward_LAWS.bend&name=tape_of