diff options
Diffstat (limited to 'cmd/echoip/main.go')
| -rw-r--r-- | cmd/echoip/main.go | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/cmd/echoip/main.go b/cmd/echoip/main.go index 737a4f4..f3d4c94 100644 --- a/cmd/echoip/main.go +++ b/cmd/echoip/main.go @@ -3,6 +3,7 @@ package main import ( "flag" "log" + "strings" "os" @@ -14,14 +15,7 @@ import ( type multiValueFlag []string func (f *multiValueFlag) String() string { - vs := "" - for i, v := range *f { - vs += v - if i < len(*f)-1 { - vs += ", " - } - } - return vs + return strings.Join([]string(*f), ", ") } func (f *multiValueFlag) Set(v string) error { |