flag: fix the comments

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
This commit is contained in:
Qiang Huang 2014-11-30 01:58:16 +08:00
parent 4e3563a9b6
commit 16130e775f

View file

@ -23,12 +23,12 @@
flag.Var(&flagVal, []string{"name"}, "help message for flagname")
For such flags, the default value is just the initial value of the variable.
You can also add "deprecated" flags, they are still usable, bur are not shown
You can also add "deprecated" flags, they are still usable, but are not shown
in the usage and will display a warning when you try to use them:
var ip = flag.Int([]string{"f", "#flagname", "-flagname"}, 1234, "help message for flagname")
this will display: `Warning: '-flagname' is deprecated, it will be replaced by '--flagname' soon. See usage.` and
var ip = flag.Int([]string{"#f", "#flagname", "-flagname2"}, 1234, "help message for flagname")
this will display: `Warning: '--flagname' is deprecated, it will be replaced by '--flagname2' soon. See usage.` and
var ip = flag.Int([]string{"f", "#flagname"}, 1234, "help message for flagname")
will display: `Warning: '-t' is deprecated, it will be removed soon. See usage.`
will display: `Warning: '-f' is deprecated, it will be removed soon. See usage.`
You can also group one letter flags, bif you declare
var v = flag.Bool([]string{"v", "-verbose"}, false, "help message for verbose")