chore(settings): use generics for helping functions (#1427)

internal/configuration/settings/helpers/default.go

@@ -2,56 +2,14 @@ package helpers
 
 import (
 	"net/netip"
-	"time"
-
-	"github.com/qdm12/log"
 )
 
-func DefaultInt(existing *int, defaultValue int) (
-	result *int) {
+func DefaultPointer[T any](existing *T, defaultValue T) (
+	result *T) {
 	if existing != nil {
 		return existing
 	}
-	result = new(int)
-	*result = defaultValue
-	return result
-}
-
-func DefaultUint8(existing *uint8, defaultValue uint8) (
-	result *uint8) {
-	if existing != nil {
-		return existing
-	}
-	result = new(uint8)
-	*result = defaultValue
-	return result
-}
-
-func DefaultUint16(existing *uint16, defaultValue uint16) (
-	result *uint16) {
-	if existing != nil {
-		return existing
-	}
-	result = new(uint16)
-	*result = defaultValue
-	return result
-}
-func DefaultUint32(existing *uint32, defaultValue uint32) (
-	result *uint32) {
-	if existing != nil {
-		return existing
-	}
-	result = new(uint32)
-	*result = defaultValue
-	return result
-}
-
-func DefaultBool(existing *bool, defaultValue bool) (
-	result *bool) {
-	if existing != nil {
-		return existing
-	}
-	result = new(bool)
+	result = new(T)
 	*result = defaultValue
 	return result
 }
@@ -64,43 +22,14 @@ func DefaultString(existing string, defaultValue string) (
 	return defaultValue
 }
 
-func DefaultStringPtr(existing *string, defaultValue string) (result *string) {
-	if existing != nil {
-		return existing
-	}
-	result = new(string)
-	*result = defaultValue
-	return result
-}
-
-func DefaultDuration(existing time.Duration,
-	defaultValue time.Duration) (result time.Duration) {
+func DefaultNumber[T Number](existing T, defaultValue T) ( //nolint:ireturn
+	result T) {
 	if existing != 0 {
 		return existing
 	}
 	return defaultValue
 }
 
-func DefaultDurationPtr(existing *time.Duration,
-	defaultValue time.Duration) (result *time.Duration) {
-	if existing != nil {
-		return existing
-	}
-	result = new(time.Duration)
-	*result = defaultValue
-	return result
-}
-
-func DefaultLogLevel(existing *log.Level,
-	defaultValue log.Level) (result *log.Level) {
-	if existing != nil {
-		return existing
-	}
-	result = new(log.Level)
-	*result = defaultValue
-	return result
-}
-
 func DefaultIP(existing netip.Addr, defaultValue netip.Addr) (
 	result netip.Addr) {
 	if existing.IsValid() {