package main
import (
	"context"
	"log/slog"
	"os"
	"github.com/cockroachdb/errors"
)
func f1() error {
	return errors.Wrap(f2(), "wrapped error 1")
}
func f2() error {
	return errors.Wrap(f3(), "wrapped error 2")
}
func f3() error {
	return errors.Wrap(f4(), "wrapped error 3")
}
func f4() error {
	return errors.Wrap(f5(), "wrapped error 4")
}
func f5() error {
	return errors.New("error root")
}
func main() {
	ctx := context.Background()
	err := f1()
	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
	logger.InfoContext(ctx, "test", slog.Any("error", err))
}

{
 "time": "2023年09月18日T17:57:09.438517+09:00",
 "level": "INFO",
 "msg": "test",
 "error": {
 "message": "wrapped error 1: wrapped error 2: wrapped error 3: wrapped error 4: error root",
 "stacktrace": {
 "main.f1": {
 "file": "/Users/nozo/tmp/cockloaddb-slog-try/main.go",
 "name": "main.f1",
 "line": 12
 },
 "main.main": {
 "file": "/Users/nozo/tmp/cockloaddb-slog-try/main.go",
 "name": "main.main",
 "line": 33
 },
 "runtime.main": {
 "file": "/opt/homebrew/Cellar/go/1.21.1/libexec/src/runtime/proc.go",
 "name": "runtime.main",
 "line": 267
 },
 "runtime.goexit": {
 "file": "/opt/homebrew/Cellar/go/1.21.1/libexec/src/runtime/asm_arm64.s",
 "name": "runtime.goexit",
 "line": 1197
 }
 }
 }
}