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Zack Williamse940c7a2019-08-21 14:25:39 -07001package pflag
2
3import "strconv"
4
5// -- uint64 Value
6type uint64Value uint64
7
8func newUint64Value(val uint64, p *uint64) *uint64Value {
9 *p = val
10 return (*uint64Value)(p)
11}
12
13func (i *uint64Value) Set(s string) error {
14 v, err := strconv.ParseUint(s, 0, 64)
15 *i = uint64Value(v)
16 return err
17}
18
19func (i *uint64Value) Type() string {
20 return "uint64"
21}
22
23func (i *uint64Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
24
25func uint64Conv(sval string) (interface{}, error) {
26 v, err := strconv.ParseUint(sval, 0, 64)
27 if err != nil {
28 return 0, err
29 }
30 return uint64(v), nil
31}
32
33// GetUint64 return the uint64 value of a flag with the given name
34func (f *FlagSet) GetUint64(name string) (uint64, error) {
35 val, err := f.getFlagType(name, "uint64", uint64Conv)
36 if err != nil {
37 return 0, err
38 }
39 return val.(uint64), nil
40}
41
42// Uint64Var defines a uint64 flag with specified name, default value, and usage string.
43// The argument p points to a uint64 variable in which to store the value of the flag.
44func (f *FlagSet) Uint64Var(p *uint64, name string, value uint64, usage string) {
45 f.VarP(newUint64Value(value, p), name, "", usage)
46}
47
48// Uint64VarP is like Uint64Var, but accepts a shorthand letter that can be used after a single dash.
49func (f *FlagSet) Uint64VarP(p *uint64, name, shorthand string, value uint64, usage string) {
50 f.VarP(newUint64Value(value, p), name, shorthand, usage)
51}
52
53// Uint64Var defines a uint64 flag with specified name, default value, and usage string.
54// The argument p points to a uint64 variable in which to store the value of the flag.
55func Uint64Var(p *uint64, name string, value uint64, usage string) {
56 CommandLine.VarP(newUint64Value(value, p), name, "", usage)
57}
58
59// Uint64VarP is like Uint64Var, but accepts a shorthand letter that can be used after a single dash.
60func Uint64VarP(p *uint64, name, shorthand string, value uint64, usage string) {
61 CommandLine.VarP(newUint64Value(value, p), name, shorthand, usage)
62}
63
64// Uint64 defines a uint64 flag with specified name, default value, and usage string.
65// The return value is the address of a uint64 variable that stores the value of the flag.
66func (f *FlagSet) Uint64(name string, value uint64, usage string) *uint64 {
67 p := new(uint64)
68 f.Uint64VarP(p, name, "", value, usage)
69 return p
70}
71
72// Uint64P is like Uint64, but accepts a shorthand letter that can be used after a single dash.
73func (f *FlagSet) Uint64P(name, shorthand string, value uint64, usage string) *uint64 {
74 p := new(uint64)
75 f.Uint64VarP(p, name, shorthand, value, usage)
76 return p
77}
78
79// Uint64 defines a uint64 flag with specified name, default value, and usage string.
80// The return value is the address of a uint64 variable that stores the value of the flag.
81func Uint64(name string, value uint64, usage string) *uint64 {
82 return CommandLine.Uint64P(name, "", value, usage)
83}
84
85// Uint64P is like Uint64, but accepts a shorthand letter that can be used after a single dash.
86func Uint64P(name, shorthand string, value uint64, usage string) *uint64 {
87 return CommandLine.Uint64P(name, shorthand, value, usage)
88}