blueblue 9b92e1b2d0 flag: improve StringFlags by support set default value when init (#8447)
* flag: improve StringFlags by support set default value when init

when init flagSet, set default value should be moved to StringFlags init
func, which is more friendly

personal proposal

* flag: code improved for StringFlags
2017-08-28 00:02:11 -07:00
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2016-06-17 14:51:45 -07:00
2016-05-12 20:48:53 -07:00
2016-05-12 20:48:53 -07:00