pkg math/big, type RoundingMode uint8
pkg mime, const BEncoding = 98
pkg mime, const BEncoding WordEncoder
pkg mime, const QEncoding = 113
pkg mime, const QEncoding WordEncoder
pkg mime, func ExtensionsByType(string) ([]string, error)
pkg mime, method (*WordDecoder) Decode(string) (string, error)
pkg mime, method (*WordDecoder) DecodeHeader(string) (string, error)
pkg mime, method (WordEncoder) Encode(string, string) string

pkg math/bits, func TrailingZeros32(uint32) int
pkg math/bits, func TrailingZeros64(uint64) int
pkg math/bits, func TrailingZeros8(uint8) int
pkg mime, var ErrInvalidMediaParameter error
pkg mime/multipart, type FileHeader struct, Size int64
pkg mime/multipart, var ErrMessageTooLarge error
pkg net, method (*IPConn) SyscallConn() (syscall.RawConn, error)
pkg net, method (*TCPConn) SyscallConn() (syscall.RawConn, error)

### Go 1.23

Go 1.23 changed the channels created by package time to be unbuffered
(synchronous), which makes correct use of the [`Timer.Stop`](/pkg/time/#Timer.Stop)
and [`Timer.Reset`](/pkg/time/#Timer.Reset) method results much easier.
The [`asynctimerchan` setting](/pkg/time/#NewTimer) disables this change.
There are no runtime metrics for this change,

		{"-", time.Time{}, false},
		{"+", time.Time{}, false},
		{"-1.-1", time.Time{}, false},
		{"99999999999999999999999999999999999999999999999", time.Time{}, false},
		{"0.123456789abcdef", time.Time{}, false},
		{"foo", time.Time{}, false},
		{"\x00", time.Time{}, false},
		{"𝟵𝟴𝟳𝟲𝟱.𝟰𝟯𝟮𝟭𝟬", time.Time{}, false}, // Unicode numbers (U+1D7EC to U+1D7F5)
		{"98765﹒43210", time.Time{}, false}, // Unicode period (U+FE52)
	}

//go:build aix || linux || dragonfly || openbsd || solaris

package tar

import (
	"syscall"
	"time"
)

func statAtime(st *syscall.Stat_t) time.Time {
	return time.Unix(st.Atim.Unix())
}

func statCtime(st *syscall.Stat_t) time.Time {
	return time.Unix(st.Ctim.Unix())

				Modified: time.Date(2011, 12, 8, 10, 4, 50, 0, time.UTC),
				Mode:     0666,
			},
			{
				Name:     "dir/empty/",
				Content:  []byte{},
				Modified: time.Date(2011, 12, 8, 10, 8, 6, 0, time.UTC),
				Mode:     fs.ModeDir | 0777,
			},
			{
				Name:     "readonly",
				Content:  []byte("important \r\n"),
				Modified: time.Date(2011, 12, 8, 10, 6, 8, 0, time.UTC),
				Mode:     0444,

func (*common) OnBothTandBPtr() {}
func (common) OnBothTandBVal()  {}

type EmbedSelector struct {
	Time
}

const (
	foo          = "foo"
	foo2  string = "foo2"
	truth        = foo == "foo" || foo2 == "foo2"
)

func ellipsis(...string) {}

func Now() Time {
	var now Time
	return now
}

var x = &S{
	Public:     nil,
	private:    nil,
	PublicTime: Now(),
}

			// with EAGAIN.
			if pe, ok := err.(*os.PathError); ok {
				err = pe.Err
			}
			if se, ok := err.(syscall.Errno); ok && (se == syscall.EAGAIN || se == syscall.EMFILE) {
				time.Sleep(time.Millisecond)
				continue
			}

			t.Error(err)
			return
		}
		cmds = append(cmds, cmd)
	}

	failures := 0
	for _, cmd := range cmds {
		err := cmd.Wait()
		if err == nil {

assigning to or evaluating <code>x.f</code>
causes a <a href="#Run_time_panics">run-time panic</a>.
</li>

<li>
If <code>x</code> is of interface type and has the value
<code>nil</code>, <a href="#Calls">calling</a> or
<a href="#Method_values">evaluating</a> the method <code>x.f</code>
causes a <a href="#Run_time_panics">run-time panic</a>.
</li>
</ol>

<p>
For example, given the declarations:

reasonably cheap dynamic checks. These checks may be disabled
entirely using GODEBUG=cgocheck=0. Complete checking of pointer
handling, at some cost in run time, is available by setting
GOEXPERIMENT=cgocheck2 at build time.

It is possible to defeat this enforcement by using the unsafe package,
and of course there is nothing stopping the C code from doing anything