Golang'da struct alanlarını çıkarma

package main

import (
	"fmt"
	"reflect"
)

func main() {
	var str Struct

	fields := str.Fields(Config{}, "/")
	for _, field := range fields {
		fmt.Println(field)
	}
}

type Struct struct {
	fields    []string
	separator string
}

func (s *Struct) Fields(source any, separator string) []string {
	s.separator = separator
	s.extract(reflect.ValueOf(source), "")

	return s.fields
}

func (s *Struct) extract(source reflect.Value, prefix string) {
	for i := 0; i < source.NumField(); i++ {
		field := source.Field(i)
		name := source.Type().Field(i).Name

		if field.Kind() == reflect.Struct {
			s.extract(field, prefix+name+s.separator)

			continue
		}

		s.fields = append(s.fields, prefix+name)
	}
}

type Config struct {
	ServiceName string
	Addresses   []string
	Logger      struct {
		Level string
	}
	HTTP struct {
		Server struct {
			Host    string
			Port    int
			Request struct {
				Timeout string
				Size    int
			}
		}
	}
	External
}

type External struct {
	ID    string
	Level struct {
		Severity string
	}
}

ServiceName
Addresses
Logger/Level
HTTP/Server/Host
HTTP/Server/Port
HTTP/Server/Request/Timeout
HTTP/Server/Request/Size
External/ID
External/Level/Severity