62 lines
1.0 KiB
Go
62 lines
1.0 KiB
Go
package opt
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import "strconv"
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type FloatOption struct {
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name string
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shortName string
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description string
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value float64
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}
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var _ Option = (*FloatOption)(nil)
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func Float(name, shortName string, defaultValue float64, description string) *FloatOption {
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return &FloatOption{
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name: name,
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shortName: shortName,
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description: description,
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value: defaultValue,
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}
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}
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// Description implements Option.
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func (o *FloatOption) Description() string {
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return o.description
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}
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// Name implements Option.
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func (o *FloatOption) Name() string {
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return o.name
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}
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// ShortName implements Option.
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func (o *FloatOption) ShortName() string {
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return o.shortName
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}
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// Value implements Option.
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func (o *FloatOption) Parse(raw string) error {
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if raw == "" {
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return nil
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}
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floatVal, err := strconv.ParseFloat(raw, 64)
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if err != nil {
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return err
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}
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o.value = floatVal
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return nil
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}
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// RequiresVal implements Option.
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func (*FloatOption) RequiresVal() bool {
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return true
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}
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func (o *FloatOption) Value() float64 {
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return o.value
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}
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