def accumulate

bendtorch-core@0.1.0.0 · src/autograd/backward.bend:81

import Base

81def accumulate(total: Maybe<&2, F32>, contribution: Maybe<&2, F32>) -> Maybe<&2, F32>:
82  match total contribution:
83    case None{} contribution:
84      contribution
85    case Some{held} None{}:
86      Some{held}
87    case Some{held} Some{value}:
88      Some{F32.add(held, value)}