diff options
Diffstat (limited to 'multi_string_flag.go')
| -rw-r--r-- | multi_string_flag.go | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/multi_string_flag.go b/multi_string_flag.go index b8e85991..1dd76b28 100644 --- a/multi_string_flag.go +++ b/multi_string_flag.go @@ -1,9 +1,12 @@ package main import ( + "errors" "strings" ) +var errMultiStringSetEmptyValue = errors.New("set value cannot be empty") + // MultiStringFlag implements the flag.Value interface and allows a string flag // to be specified multiple times on the command line. // @@ -17,6 +20,9 @@ func (s *MultiStringFlag) String() string { // Set appends the value to the list of parameters func (s *MultiStringFlag) Set(value string) error { + if value == "" { + return errMultiStringSetEmptyValue + } *s = append(*s, value) return nil } @@ -24,9 +30,6 @@ func (s *MultiStringFlag) Set(value string) error { // Split each flag func (s *MultiStringFlag) Split() (result []string) { for _, str := range *s { - if str == "" { - continue - } result = append(result, strings.Split(str, ",")...) } |