- ret_hu_conv.ptrs_to.add(ret_hu_conv);
- ret_hu_conv.ptrs_to.add(chain_source);
- ret_hu_conv.ptrs_to.add(broadcaster);
- ret_hu_conv.ptrs_to.add(logger);
- ret_hu_conv.ptrs_to.add(feeest);
- ret_hu_conv.ptrs_to.add(persister);
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(chain_source); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(broadcaster); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(feeest); };
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(persister); };