From 200b3172b7b873603ee626fabe55a34b10a9e18f Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik.hautakoski@gmail.com>
Date: Thu, 7 Dec 2023 17:31:17 +0100
Subject: [PATCH] ip/resolver/service.go: comments.

---
 ip/resolver/service.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ip/resolver/service.go b/ip/resolver/service.go
index 4852363..92aba26 100644
--- a/ip/resolver/service.go
+++ b/ip/resolver/service.go
@@ -8,12 +8,16 @@ import (
 	"dnsupdater/ip"
 )
 
+// Interface that IP Lookup Services must implement.
 type Service interface {
+	// Get the name of the serivce
 	Name() string
 
+	// Lookup the public ip.
 	Lookup(ctx context.Context) (net.IP, error)
 }
 
+// Constant name for the virtual WAN interface
 const WAN_IFACE = "wan"
 
 func LookupWrapper(service Service) ip.NetInterfaceIPResolver {