def grad

bendtorch-core@0.1.0.0 · src/autograd/gradient.bend:125

import Base
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core

125# The gradient a slot holds, or None when it never received one or was reset.
126def grad(slot: Slot) -> Maybe<&1, Core.Dynamic>:
127  match slot:
128    case Unset{}:
129      None{}
130    case Held{gradient}:
131      Some{gradient}