Files
gluetun/internal/configuration/settings/helpers/override.go
2023-05-25 12:08:43 +00:00

53 lines
927 B
Go

package helpers
import (
"net/http"
"net/netip"
)
func OverrideWithPointer[T any](existing, other *T) (result *T) {
if other == nil {
return existing
}
result = new(T)
*result = *other
return result
}
func OverrideWithString(existing, other string) (result string) {
if other == "" {
return existing
}
return other
}
func OverrideWithNumber[T Number](existing, other T) (result T) { //nolint:ireturn
if other == 0 {
return existing
}
return other
}
func OverrideWithValidator(existing, other netip.Addr) (result netip.Addr) {
if !other.IsValid() {
return existing
}
return other
}
func OverrideWithHTTPHandler(existing, other http.Handler) (result http.Handler) {
if other != nil {
return other
}
return existing
}
func OverrideWithSlice[T any](existing, other []T) (result []T) {
if other == nil {
return existing
}
result = make([]T, len(other))
copy(result, other)
return result
}