Method add

src/common/resources.cpp:2236–2263

void Resources::add(const Resource_& that)
{
  if (that.isEmpty()) {
    return;
  }

  bool found = false;
  foreach (
      Resource_Unsafe& resource_,
      resourcesNoMutationWithoutExclusiveOwnership) {
    if (internal::addable(resource_->resource, that.resource)) {
      // Copy-on-write (if more than 1 reference).
      if (resource_.use_count() > 1) {
        resource_ = make_shared<Resource_>(*resource_);
      }

      *resource_ += that;
      found = true;
      break;
    }
  }

  // Cannot be combined with any existing Resource object.
  if (!found) {
    resourcesNoMutationWithoutExclusiveOwnership.push_back(
        make_shared<Resource_>(that));
  }
}


void Resources::add(Resource_&& that)