29 lines
820 B
Go
29 lines
820 B
Go
package getopt
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type stringVal string
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func (s *stringVal) String() string {
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return string(*s)
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}
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func (s *stringVal) Set(val string) error {
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*s = stringVal(val)
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return nil
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}
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// StringVar defines a string flag with specified name, default value,
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// and usage string. The argument p points to a string variable in which
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// to store the value of the flag.
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func (set *FlagSet) StringVar(p *string, name string, value string, usage string) {
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*p = value
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set.Var((*stringVal)(p), name, usage)
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}
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// String defines a string flag with specified name, default value, and
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// usage string. The return value is the address of a string variable
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// that stores the value of the flag.
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func (set *FlagSet) String(name string, value string, usage string) *string {
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var s string
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set.StringVar(&s, name, value, usage)
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return &s
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}
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