-- @Scalar x + Tensor t[i] = Tensor r[i] | r[i] = x + t[i]@
_elemByElem' (Scalar x) t f _ = (x `f`) `Multilinear.Generic.MultiCore.map` t
_elemByElem' (Scalar x) t f _ = (x `f`) `Multilinear.Generic.MultiCore.map` t
_elemByElem' (Scalar x) t f _ = (x `f`) `Multilinear.Generic.MultiCore.map` t