scanner := bufio.NewScanner(reader)

	for scanner.Scan() {
		token := scanner.Text()
		substrings := strings.SplitN(token, ":", 3)
		if len(substrings) < 3 {
			return nil, fmt.Errorf("cgroup entry contains %v colons, but expected at least 2 colons: %q", len(substrings), token)
		}
		cgroups = append(cgroups, Cgroup{
			HierarchyID:    substrings[0],
			ControllerList: substrings[1],

```Python hl_lines="2"
{!../../docs_src/python_types/tutorial004.py!}
```

## Types declareren

Je hebt net de belangrijkste plek om type hints te declareren gezien. Namelijk als functieparameters.

Dit is ook de belangrijkste plek waar je ze gebruikt met **FastAPI**.

### Eenvoudige types

Je kunt alle standaard Python types declareren, niet alleen `str`.

// license that can be found in the LICENSE file.

package asm

import (
	"strings"
	"testing"

	"cmd/asm/internal/lex"
)

func tokenize(s string) [][]lex.Token {
	res := [][]lex.Token{}
	if len(s) == 0 {
		return res
	}
	for _, o := range strings.Split(s, ",") {
		res = append(res, lex.Tokenize(o))
	}
	return res
}

func TestErroneous(t *testing.T) {

	type errtest struct {

func (u Err) Msg(m string) Err {
	e := u.Clone()
	e.msg = m
	return e
}

// Msgf - Replace the current error's message
func (u Err) Msgf(m string, args ...interface{}) Err {
	e := u.Clone()
	if len(args) == 0 {
		e.msg = m
	} else {
		e.msg = fmt.Sprintf(m, args...)
	}
	return e
}

// Hint - Replace the current error's message
func (u Err) Hint(m string, args ...interface{}) Err {
	e := u.Clone()

	if bp == nil {
		return 0
	}
	return bp.wcap
}

// CurrentSize returns current size of buffer pool
func (bp *BytePoolCap) CurrentSize() int {
	if bp == nil {
		return 0
	}
	return len(bp.c) * bp.w

func (li *localLockInstance) GetLock(ctx context.Context, timeout *dynamicTimeout) (_ LockContext, timedOutErr error) {
	lockSource := getSource(2)
	start := UTCNow()
	const readLock = false
	success := make([]int, len(li.paths))
	for i, path := range li.paths {
		if !li.ns.lock(ctx, li.volume, path, lockSource, li.opsID, readLock, timeout.Timeout()) {
			timeout.LogFailure()
			for si, sint := range success {
				if sint == 1 {

    if (collection instanceof ByteArrayAsList) {
      return ((ByteArrayAsList) collection).toByteArray();
    }

    Object[] boxedArray = collection.toArray();
    int len = boxedArray.length;
    byte[] array = new byte[len];
    for (int i = 0; i < len; i++) {
      // checkNotNull for GWT (do not optimize)
      array[i] = ((Number) checkNotNull(boxedArray[i])).byteValue();
    }
    return array;
  }

  /**

                    try {
                        zos.putNextEntry(entry);
                        final long len = Files.copy(filePath, zos);
                        if (logger.isDebugEnabled()) {
                            logger.debug("{}: {}", filePath.getFileName(), len);
                        }
                    } catch (final IOException e) {

	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *WalkOptions) Msgsize() (s int) {
	s = 1 + 7 + msgp.StringPrefixSize + len(z.Marker) + 11 + msgp.BoolSize + 9 + msgp.StringPrefixSize + len(z.AskDisks) + 13 + msgp.Uint8Size + 6 + msgp.IntSize
	return
}

// MarshalMsg implements msgp.Marshaler
func (z WalkVersionsSortOrder) MarshalMsg(b []byte) (o []byte, err error) {

		// expect both namespace.sidecar-injector.istio.io and object.sidecar-injector.istio.io webhooks
		if len(wh.Webhooks) != tc.numWebhooks {
			t.Errorf("expected %d webhook(s) in MutatingWebhookConfiguration, found %d",
				tc.numWebhooks, len(wh.Webhooks))
		}
		tag, exists := wh.ObjectMeta.Labels[label.IoIstioTag.Name]
		if !exists {