/// info

Keep in mind that dataclasses can't do everything Pydantic models can do.

So, you might still need to use Pydantic models.

But if you have a bunch of dataclasses laying around, this is a nice trick to use them to power a web API using FastAPI. 🤓

///

## Dataclasses in `response_model` { #dataclasses-in-response-model }

import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Basher test for {@link ConcurrentHashMultiset}: start a bunch of threads, have each of them do
 * operations at random. Each thread keeps track of the per-key deltas that it's directly
 * responsible for; after all threads have completed, we sum the per-key deltas and compare to the

common --@rules_python//python/config_settings:precompile=force_disabled

# Do not do this. If enabled protobuf's core internal target 
# @com_google_protobuf//python:protobuf_python will start depending on a bunch
# of cc_binary shared libraries artifacts, which will mess with how we link 
# protobuf dependencies ourselves. By default this value is false, but some 
# projects enable it, which we don't want here.