ActiveGo 1.8Package flags
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func FlagToEnv ¶
func FlagToEnv(prefix, name string) string
FlagToEnv converts flag string to upper-case environment variable key string.
func IsSet ¶
func IsSet(fs *flag.FlagSet, name string) bool
func SetFlagsFromEnv ¶
func SetFlagsFromEnv(prefix string, fs *flag.FlagSet) error
SetFlagsFromEnv parses all registered flags in the given flagset, and if they are not already set it attempts to set their values from environment variables. Environment variables take the name of the flag but are UPPERCASE, have the given prefix and any dashes are replaced by underscores - for example: some-flag => ETCD_SOME_FLAG
func SetPflagsFromEnv ¶
func SetPflagsFromEnv(prefix string, fs *pflag.FlagSet) error
SetPflagsFromEnv is similar to SetFlagsFromEnv. However, the accepted flagset type is pflag.FlagSet and it does not do any logging.
func URLsFromFlag ¶
func URLsFromFlag(fs *flag.FlagSet, urlsFlagName string) []url.URL
URLsFromFlag returns a slices from url got from the flag.
type DeprecatedFlag ¶
DeprecatedFlag encapsulates a flag that may have been previously valid but is now deprecated. If a DeprecatedFlag is set, an error occurs.
type DeprecatedFlag struct {
Name string
}
func (*DeprecatedFlag) Set ¶
func (f *DeprecatedFlag) Set(_ string) error
func (*DeprecatedFlag) String ¶
func (f *DeprecatedFlag) String() string
type IgnoredFlag ¶
IgnoredFlag encapsulates a flag that may have been previously valid but is now ignored. If an IgnoredFlag is set, a warning is printed and operation continues.
type IgnoredFlag struct {
Name string
}
func (*IgnoredFlag) IsBoolFlag ¶
func (f *IgnoredFlag) IsBoolFlag() bool
IsBoolFlag is defined to allow the flag to be defined without an argument
func (*IgnoredFlag) Set ¶
func (f *IgnoredFlag) Set(s string) error
func (*IgnoredFlag) String ¶
func (f *IgnoredFlag) String() string
type StringsFlag ¶
StringsFlag implements the flag.Value interface.
type StringsFlag struct {
Values []string
// contains filtered or unexported fields
}
func NewStringsFlag ¶
func NewStringsFlag(valids ...string) *StringsFlag
NewStringsFlag creates a new string flag for which any one of the given strings is a valid value, and any other value is an error.
func (*StringsFlag) Set ¶
func (ss *StringsFlag) Set(s string) error
Set verifies the argument to be a valid member of the allowed values before setting the underlying flag value.
func (*StringsFlag) String ¶
func (ss *StringsFlag) String() string
String returns the set value (if any) of the StringsFlag
type URLsValue ¶
type URLsValue types.URLs
func NewURLsValue ¶
func NewURLsValue(init string) *URLsValue
func (*URLsValue) Set ¶
func (us *URLsValue) Set(s string) error
Set parses a command line set of URLs formatted like: http://127.0.0.1:2380,http://10.1.1.2:80
func (*URLsValue) String ¶
func (us *URLsValue) String() string