Code:play 

package main

import (
	"encoding/json"
	"fmt"
	"log/slog"
	"os"

	"github.com/go-arrower/arrower/alog"
	"github.com/go-arrower/arrower/secret"
)

func main() {
	secret := secret.New(secretPhrase)
	obj := testStruct{Value: "val", Password: secret}

	fmt.Println(secret)
	fmt.Printf("%+v\n", secret)

	fmt.Printf("%+v\n", obj)
	fmt.Printf("%+v\n", &obj)

	logger := getLogger()
	logger.Info("", slog.Any("secret", secret))

	b, _ := json.Marshal(obj)
	fmt.Println(string(b))

}

func getLogger() *slog.Logger {
	return alog.New(alog.WithHandler(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{ReplaceAttr: func(_ []string, attr slog.Attr) slog.Attr {
		if attr.Key == slog.TimeKey {
			return slog.Attr{}
		}

		return attr
	}})))
}

const secretPhrase = "this-should-be-secret"

type testStruct struct {
	Value    string        `json:"value"`
	Password secret.Secret `json:"password"`
}

Output:

******
******
{Value:val Password:******}
&{Value:val Password:******}
level=INFO msg="" secret=******
{"value":"val","password":"******"}

Code:play 

package main

import (
	"fmt"
	"unsafe"

	"github.com/go-arrower/arrower/secret"
)

func main() {
	secret := secret.New(secretPhrase)

	// It is not completely possible to hide the access to the data.
	// If you want stronger guarantees, consider encrypting the data.

	ptrTof := unsafe.Pointer(&secret)

	s := (**string)(ptrTof)
	fmt.Println(**s)

}

const secretPhrase = "this-should-be-secret"

Output:

this-should-be-secret