case slog.KindUint64:
		*buf = strconv.AppendUint(*buf, v.Uint64(), 10)
	case slog.KindFloat64:
		*buf = strconv.AppendFloat(*buf, v.Float64(), 'g', -1, 64)
	case slog.KindBool:
		*buf = strconv.AppendBool(*buf, v.Bool())
	case slog.KindDuration:
		*buf = strconv.AppendInt(*buf, v.Duration().Nanoseconds(), 10)
	case slog.KindTime:
		h.appendTime(buf, v.Time())
	case slog.KindAny:
		a := v.Any()

package slog_test

import (
	"log/slog"
	"net/http"
	"os"
	"time"
)

func ExampleGroup() {
	r, _ := http.NewRequest("GET", "localhost", nil)
	// ...

	logger := slog.New(
		slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
			ReplaceAttr: func(groups []string, a slog.Attr) slog.Attr {
				if a.Key == slog.TimeKey && len(groups) == 0 {
					return slog.Attr{}
				}
				return a
			},
		}),
	)

	r := slog.NewRecord(time.Now(), slog.LevelInfo, fmt.Sprintf(format, args...), pcs[0])
	_ = logger.Handler().Handle(context.Background(), r)
}

func Example_wrapping() {
	replace := func(groups []string, a slog.Attr) slog.Attr {
		// Remove time.
		if a.Key == slog.TimeKey && len(groups) == 0 {
			return slog.Attr{}
		}
		// Remove the directory from the source's filename.
		if a.Key == slog.SourceKey {

	currentLogLevel := slog.SetLogLoggerLevel(slog.LevelError)
	defer slog.SetLogLoggerLevel(currentLogLevel) // revert changes after the example

	defer slog.SetDefault(slog.Default()) // revert changes after the example
	slog.SetDefault(slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{ReplaceAttr: slogtest.RemoveTime})))

	log.Print("error") // level=ERROR msg=error

	// Output:
	// level=ERROR msg=error

To update the .syso files use golang.org/x/build/cmd/racebuild.

internal/amd64v1/race_darwin.syso built with LLVM 51bfeff0e4b0757ff773da6882f4d538996c9b04 and Go e7d582b55dda36e76ce4d0ce770139ca0915b7c5.
internal/amd64v1/race_freebsd.syso built with LLVM 51bfeff0e4b0757ff773da6882f4d538996c9b04 and Go e7d582b55dda36e76ce4d0ce770139ca0915b7c5.

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

package slog_test

import (
	"context"
	"log/slog"
	"log/slog/internal/slogtest"
	"os"
)

// A LevelHandler wraps a Handler with an Enabled method
// that returns false for levels below a minimum.
type LevelHandler struct {
	level   slog.Leveler
	handler slog.Handler
}

// NewLevelHandler returns a LevelHandler with the given level.

			t.Fatal(err)
		}
		got := h.ringBuffer[0]
		if !got.Time.Equal(r.Time) || !slices.EqualFunc(attrSlice(got), attrSlice(r), slog.Attr.Equal) {
			t.Errorf("got %+v, want %+v", got, r)
		}
	})
}

func attrSlice(r slog.Record) []slog.Attr {
	var as []slog.Attr
	r.Attrs(func(a slog.Attr) bool { as = append(as, a); return true })
	return as

	testInt      = 32768
	testDuration = 23 * time.Second
	testError    = errors.New("fail")
)

var testAttrs = []slog.Attr{
	slog.String("string", testString),
	slog.Int("status", testInt),
	slog.Duration("duration", testDuration),
	slog.Time("time", testTime),
	slog.Any("error", testError),
}

// Package slogtest contains support functions for testing slog.
package slogtest

import "log/slog"

// RemoveTime removes the top-level time attribute.
// It is intended to be used as a ReplaceAttr function,
// to make example output deterministic.
func RemoveTime(groups []string, a slog.Attr) slog.Attr {
	if a.Key == slog.TimeKey && len(groups) == 0 {
		return slog.Attr{}
	}
	return a

		}()
	}
	wg.Wait()
	mem2, err := getPagefileUsage()
	if err != nil {
		panic(err)
	}
	// assumes that this process creates 1 thread for each
	// thread locked goroutine plus extra 10 threads
	// like sysmon and others
	print((mem2 - mem1) / (threadCount + 10))