75 lines
2.9 KiB
Go
75 lines
2.9 KiB
Go
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package pflag
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import "time"
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// -- time.Duration Value
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type durationValue time.Duration
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func newDurationValue(val time.Duration, p *time.Duration) *durationValue {
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*p = val
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return (*durationValue)(p)
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}
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func (d *durationValue) Set(s string) error {
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v, err := time.ParseDuration(s)
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*d = durationValue(v)
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return err
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}
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func (d *durationValue) String() string { return (*time.Duration)(d).String() }
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// Value is the interface to the dynamic value stored in a flag.
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// (The default value is represented as a string.)
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type Value interface {
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String() string
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Set(string) error
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}
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// DurationVar defines a time.Duration flag with specified name, default value, and usage string.
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// The argument p points to a time.Duration variable in which to store the value of the flag.
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func (f *FlagSet) DurationVar(p *time.Duration, name string, value time.Duration, usage string) {
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f.VarP(newDurationValue(value, p), name, "", usage)
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}
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// Like DurationVar, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) DurationVarP(p *time.Duration, name, shorthand string, value time.Duration, usage string) {
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f.VarP(newDurationValue(value, p), name, shorthand, usage)
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}
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// DurationVar defines a time.Duration flag with specified name, default value, and usage string.
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// The argument p points to a time.Duration variable in which to store the value of the flag.
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func DurationVar(p *time.Duration, name string, value time.Duration, usage string) {
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CommandLine.VarP(newDurationValue(value, p), name, "", usage)
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}
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// Like DurationVar, but accepts a shorthand letter that can be used after a single dash.
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func DurationVarP(p *time.Duration, name, shorthand string, value time.Duration, usage string) {
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CommandLine.VarP(newDurationValue(value, p), name, shorthand, usage)
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}
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// Duration defines a time.Duration flag with specified name, default value, and usage string.
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// The return value is the address of a time.Duration variable that stores the value of the flag.
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func (f *FlagSet) Duration(name string, value time.Duration, usage string) *time.Duration {
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p := new(time.Duration)
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f.DurationVarP(p, name, "", value, usage)
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return p
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}
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// Like Duration, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) DurationP(name, shorthand string, value time.Duration, usage string) *time.Duration {
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p := new(time.Duration)
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f.DurationVarP(p, name, shorthand, value, usage)
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return p
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}
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// Duration defines a time.Duration flag with specified name, default value, and usage string.
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// The return value is the address of a time.Duration variable that stores the value of the flag.
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func Duration(name string, value time.Duration, usage string) *time.Duration {
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return CommandLine.DurationP(name, "", value, usage)
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}
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// Like Duration, but accepts a shorthand letter that can be used after a single dash.
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func DurationP(name, shorthand string, value time.Duration, usage string) *time.Duration {
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return CommandLine.DurationP(name, shorthand, value, usage)
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}
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