Bendtorch.Opt.fin: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 428-430 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=428&end_line=430

import Base
import bend-ml-tensor-array@0.1.18.0/main.bend as TA

def Opt.fin(-r: Nat, -c: Nat, q: Q4) -> MatStep<r, c>:
  match q:
    case Q4{w, g, m, v}: MatStep{TA.Mat{w}, TA.Mat{g}, TwoMom{TA.Mat{m}, TA.Mat{v}}}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-ml-tensor-array@0.1.19.0/main.bend&name=Mat
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=MatStep
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=OptState
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Q4