Merge pull request #525 from chanwit/fix-generator-for-golint

Cleanup: fix per golint checks

discovery/file/file.go

@@ -24,7 +24,7 @@ func (s *FileDiscoveryService) Initialize(path string, heartbeat int) error {
 }
 
 func parseFileContent(content []byte) []string {
-	result := make([]string, 0)
+	var result []string
 	for _, line := range strings.Split(strings.TrimSpace(string(content)), "\n") {
 		for _, ip := range discovery.Generate(line) {
 			result = append(result, ip)

discovery/generator.go

@@ -27,7 +27,7 @@ func Generate(pattern string) []string {
 
 	template := re.ReplaceAllString(pattern, "%d")
 
-	result := make([]string, 0)
+	var result []string
 	for val := from; val <= to; val++ {
 		entry := fmt.Sprintf(template, val)
 		result = append(result, entry)