from pydantic import BaseModel, Field
from typing_extensions import Literal

app = FastAPI()


class FilterParams(BaseModel):
    model_config = {"extra": "forbid"}

    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: List[str] = []


@app.get("/items/")
async def read_items(filter_query: FilterParams = Query()):

  }

  private static final int STEPS = 3;

  static class TesterThatCountsCalls extends IteratorTester<Integer> {
    TesterThatCountsCalls() {
      super(STEPS, MODIFIABLE, newArrayList(1), IteratorTester.KnownOrder.KNOWN_ORDER);
    }

    int numCallsToNewTargetIterator;
    int numCallsToVerify;

    @Override

```Python hl_lines="10"
{!../../docs_src/query_params/tutorial006.py!}
```

위 예시에서는 3가지 쿼리 매개변수가 있습니다:

* `needy`, 필수적인 `str`.
* `skip`, 기본값이 `0`인 `int`.
* `limit`, 선택적인 `int`.

/// tip | "팁"

[경로 매개변수](path-params.md#_8){.internal-link target=_blank}와 마찬가지로 `Enum`을 사용할 수 있습니다.

		t.Errorf("expected 1 thing got more")
	}
}

type CompanyNew struct {
	ID   int
	Name int
}

func TestAlterColumnDataType(t *testing.T) {
	DB.AutoMigrate(Company{})

	if err := DB.Table("companies").Migrator().AlterColumn(CompanyNew{}, "name"); err != nil {
		t.Fatalf("failed to alter column from string to int, got error %v", err)
	}

	DB.AutoMigrate(Company{})

    // a ClassCastException is what's supposed to happen!
    @SuppressWarnings("unchecked")
    K k = (K) t;
    int unused = comparator().compare(k, k);
    return t;
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    return delegate.equals(obj);
  }

  @Override
  public int hashCode() {
    return delegate.hashCode();
  }

  @Override
  public String toString() {

        final LocalDateTime startTime = LocalDateTime.now();
        int ret = creator.create();
        if (ret == 0) {
            ret = creator.purge(startTime);
        }
        return ret;
    }

    private int create() {
        if (!ComponentUtil.getFessConfig().isSuggestDocuments() && !ComponentUtil.getFessConfig().isSuggestSearchLog()) {

package jstream

import (
	"bytes"
	"testing"
)

func mkReader(s string) *bytes.Reader { return bytes.NewReader([]byte(s)) }

func TestDecoderSimple(t *testing.T) {
	var (
		counter int
		mv      *MetaValue
		body    = `[{"bio":"bada bing bada boom","id":1,"name":"Charles","falseVal":false}]`
	)

	decoder := NewDecoder(mkReader(body), 1)

	for mv = range decoder.Stream() {
		counter++

    return new Keys();
  }

  @WeakOuter
  class Keys extends Multimaps.Keys<K, V> {
    Keys() {
      super(FilteredEntryMultimap.this);
    }

    @Override
    public int remove(@CheckForNull Object key, int occurrences) {
      checkNonnegative(occurrences, "occurrences");
      if (occurrences == 0) {
        return count(key);
      }
      Collection<V> collection = unfiltered.asMap().get(key);

    int totalBytes = hashCode.bits() / 8;

    for (int bytes = 0; bytes < totalBytes; bytes++) {
      byte[] bb = new byte[bytes];
      hashCode.writeBytesTo(bb, 0, bb.length);

      assertTrue(Arrays.equals(Arrays.copyOf(hashBytes, bytes), bb));
    }
  }

  private static class ExpectedHashCode {
    final byte[] bytes;
    final int asInt;

	t.Run(fmt.Sprintf("%d-%d-%d", gomaxprocs, numReaders, numIterations), func(t *testing.T) {
		resource := "test"
		runtime.GOMAXPROCS(gomaxprocs)
		// Number of active readers + 10000 * number of active writers.
		var activity int32
		cdone := make(chan bool)
		go writer(resource, numIterations, &activity, cdone)
		var i int
		for i = 0; i < numReaders/2; i++ {