b := make([]byte, 10)
	if _, err = reader.ReadAt(b, 0); err != nil {
		t.Fatal(err)
	}
	if _, err = reader.ReadAt(b, 10); err != nil {
		t.Fatal(err)
	}
	if _, err = reader.ReadAt(b, 20); err != nil {
		t.Fatal(err)
	}
	if _, err = reader.ReadAt(b[:5], 30); err != nil {
		t.Fatal(err)
	}
	if br, ok := reader.(io.Closer); ok {
		br.Close()
	}
}

	for i := 0; i < len(all); i++ {
		for j := 0; j < len(all)-i; j++ {
			buf := make([]byte, j)
			n, err := b.ReadAt(buf, int64(i))
			if err != nil || n != len(buf) {
				t.Errorf("ReadAt(%d, %d) = %d, %v; want %d, nil", i, j, n, err, len(buf))
			}
			if !bytes.Equal(buf, all[i:i+j]) {
				t.Errorf("ReadAt(%d, %d) = %q; want %q", i, j, buf, all[i:i+j])
			}
		}
	}
}

	missingPartsHeal := int32(0) // Atomic bool flag.
	readerIndex := 0
	var wg sync.WaitGroup
	// if readTrigger is true, it implies next disk.ReadAt() should be tried
	// if readTrigger is false, it implies previous disk.ReadAt() was successful and there is no need
	// to try reading the next disk.
	for readTrigger := range readTriggerCh {
		newBufLK.RLock()
		canDecode := p.canDecode(newBuf)

	}
	return nil
}

func (b *streamingBitrotReader) ReadAt(buf []byte, offset int64) (int, error) {
	var err error
	if offset%b.shardSize != 0 {
		// Offset should always be aligned to b.shardSize
		// Can never happen unless there are programmer bugs
		return 0, errUnexpected
	}
	if b.rc == nil {
		// For the first ReadAt() call we need to open the stream for reading.
		b.currOffset = offset

	tillOffset int64           // Affects the length of data requested in disk.ReadFile depending on Read()'s offset
	buf        []byte          // Holds bit-rot verified data
}

func (b *wholeBitrotReader) ReadAt(buf []byte, offset int64) (n int, err error) {
	if b.buf == nil {
		b.buf = make([]byte, b.tillOffset-offset)
		if _, err := b.disk.ReadFile(context.TODO(), b.volume, b.filePath, offset, b.buf, b.verifier); err != nil {

			minio.PutObjectOptions{DisableContentSha256: true},
		)
		return err
	}

	return NotImplemented{}
}

type listerAt []os.FileInfo

// Modeled after strings.Reader's ReadAt() implementation
func (f listerAt) ListAt(ls []os.FileInfo, offset int64) (int, error) {
	var n int
	if offset >= int64(len(f)) {
		return 0, io.EOF
	}
	n = copy(ls, f[offset:])
	if n < len(ls) {

	var z *Reader
	var err error
	var raw []byte
	if zt.Source != nil {
		rat, size := zt.Source()
		z, err = NewReader(rat, size)
		raw = make([]byte, size)
		if _, err := rat.ReadAt(raw, 0); err != nil {
			t.Errorf("ReadAt error=%v", err)
			return
		}
	} else {
		path := filepath.Join("testdata", zt.Name)
		if zt.Obscured {
			tf, err := obscuretestdata.DecodeToTempFile(path)
			if err != nil {

A FastAPI óriások vállán áll:

* <a href="https://www.starlette.io/" class="external-link" target="_blank">Starlette</a> a webes részekhez.
* <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a> az adat részekhez.

## Telepítés

<div class="termy">

```console
$ pip install fastapi

---> 100%
```

</div>

	}

	// Verify it is a regular file, otherwise subsequent Seek is
	// undefined.
	if !st.Mode().IsRegular() {
		return 0, errIsNotRegular
	}

	if verifier == nil {
		n, err = file.ReadAt(buffer, offset)
		return int64(n), err
	}

	h := verifier.algorithm.New()
	if _, err = io.Copy(h, io.LimitReader(file, offset)); err != nil {
		return 0, err
	}

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