// esoteric cases where the same tensor is used to initialize multiple
  // variables or the tensor is a constant this is safe, as future writes will
  // trigger copies).
  OP_REQUIRES_OK(context, LookupOrCreateResource<Var>(
                              context, HandleFromInput(context, 0), &variable,
                              [this, &value](Var** ptr) {
                                *ptr = new Var(dtype_);

  tensorflow::core::RefCountPtr<tensorflow::Var> variable;
  const tensorflow::Tensor& value = cc_ctx->input(value_index);
  OP_REQUIRES_OK(cc_ctx, tensorflow::LookupOrCreateResource<tensorflow::Var>(
                             cc_ctx, HandleFromInput(cc_ctx, input_index),
                             &variable, [&value](tensorflow::Var** ptr) {

static absl::StatusOr<Var*> GetOrCreateResourceVar(
    OpKernelContext* ctx, const ResourceHandle& handle,
    const XlaCompiler::ResourceUpdate& write) {
  Var* variable = nullptr;
  TF_RETURN_IF_ERROR(
      LookupOrCreateResource<Var>(ctx, handle, &variable, [&write](Var** ptr) {
        *ptr = new Var(write.type);
        return absl::OkStatus();
      }));
  return variable;
}