Spec.add_fwd: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/spec.bend as Spec
Lines 115-119 of bendtorch@1.3.0.0/spec.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/spec.bend&start_line=115&end_line=119

import Base
import bendtorch@1.3.0.0/main.bend as T

# a + b for a pair of vectors; the backward pass hands dy to both (T.Add2 over vectors)
def add_fwd(+p: Unit, x: T.Two<List<&2, Nat>, List<&2, Nat>>) -> T.Fwd<Unit, List<&2, Nat>, Unit>:
  match x:
    case T.Two{a, b}:
      T.Fwd{p, vadd(a, b), Unit{}}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Fwd
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Two
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/spec.bend&name=vadd