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28 lines
420 B
Go
28 lines
420 B
Go
package main
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import (
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"strconv"
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)
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type optionalBoolFlag struct {
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Exists bool
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Value bool
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}
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func (flag *optionalBoolFlag) String() string {
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return strconv.FormatBool(flag.Value)
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}
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func (flag *optionalBoolFlag) Set(s string) error {
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v, err := strconv.ParseBool(s)
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if err != nil {
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return err
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}
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flag.Exists = true
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flag.Value = v
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return nil
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}
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func (flag *optionalBoolFlag) IsBoolFlag() bool {
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return true
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}
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