∀ {α : Type u_1} {β : Type u_2} [inst : Add α] [inst_1 : AddZeroClass β] (F : WithZero α →+ β),
  { toFun := fun n => WithZero.recZeroCoe 0 (⇑((↑F).comp WithZero.coeAddHom)) n, map_zero' := ⋯, map_add' := ⋯ } = F