def retained_left
import bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend as ElementwiseTotalityimport Base
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
14def retained_left(pair: (Core.Dynamic & Core.Dynamic) & Result<&2, &1, Core.Error, Core.Dynamic>) -> Core.Dynamic:
15 ((left, right), result) = pair
16 left