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Return nil not empty []string{}

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Return nil if config value does not exist or is empty
This commit is contained in:
ysqi
2016-03-03 20:03:23 +08:00
parent 8ff74e71cb
commit 19d921d3f5
7 changed files with 17 additions and 12 deletions
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4
config/xml/xml.go
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@ -176,7 +176,7 @@ func (c *ConfigContainer) DefaultString(key string, defaultval string) string {
func (c *ConfigContainer) Strings(key string) []string {
v := c.String(key)
if v == "" {
return []string{}
return nil
}
return strings.Split(v, ";")
}
@ -185,7 +185,7 @@ func (c *ConfigContainer) Strings(key string) []string {
// if err != nil return defaltval
func (c *ConfigContainer) DefaultStrings(key string, defaultval []string) []string {
v := c.Strings(key)
if len(v) == 0 {
if v == nil {
return defaultval
}
return v