6 type float64Value float64
8 func newFloat64Value(val float64, p *float64) *float64Value {
10 return (*float64Value)(p)
13 func (f *float64Value) Set(s string) error {
14 v, err := strconv.ParseFloat(s, 64)
19 func (f *float64Value) Type() string {
23 func (f *float64Value) String() string { return strconv.FormatFloat(float64(*f), 'g', -1, 64) }
25 func float64Conv(sval string) (interface{}, error) {
26 return strconv.ParseFloat(sval, 64)
29 // GetFloat64 return the float64 value of a flag with the given name
30 func (f *FlagSet) GetFloat64(name string) (float64, error) {
31 val, err := f.getFlagType(name, "float64", float64Conv)
35 return val.(float64), nil
38 // Float64Var defines a float64 flag with specified name, default value, and usage string.
39 // The argument p points to a float64 variable in which to store the value of the flag.
40 func (f *FlagSet) Float64Var(p *float64, name string, value float64, usage string) {
41 f.VarP(newFloat64Value(value, p), name, "", usage)
44 // Float64VarP is like Float64Var, but accepts a shorthand letter that can be used after a single dash.
45 func (f *FlagSet) Float64VarP(p *float64, name, shorthand string, value float64, usage string) {
46 f.VarP(newFloat64Value(value, p), name, shorthand, usage)
49 // Float64Var defines a float64 flag with specified name, default value, and usage string.
50 // The argument p points to a float64 variable in which to store the value of the flag.
51 func Float64Var(p *float64, name string, value float64, usage string) {
52 CommandLine.VarP(newFloat64Value(value, p), name, "", usage)
55 // Float64VarP is like Float64Var, but accepts a shorthand letter that can be used after a single dash.
56 func Float64VarP(p *float64, name, shorthand string, value float64, usage string) {
57 CommandLine.VarP(newFloat64Value(value, p), name, shorthand, usage)
60 // Float64 defines a float64 flag with specified name, default value, and usage string.
61 // The return value is the address of a float64 variable that stores the value of the flag.
62 func (f *FlagSet) Float64(name string, value float64, usage string) *float64 {
64 f.Float64VarP(p, name, "", value, usage)
68 // Float64P is like Float64, but accepts a shorthand letter that can be used after a single dash.
69 func (f *FlagSet) Float64P(name, shorthand string, value float64, usage string) *float64 {
71 f.Float64VarP(p, name, shorthand, value, usage)
75 // Float64 defines a float64 flag with specified name, default value, and usage string.
76 // The return value is the address of a float64 variable that stores the value of the flag.
77 func Float64(name string, value float64, usage string) *float64 {
78 return CommandLine.Float64P(name, "", value, usage)
81 // Float64P is like Float64, but accepts a shorthand letter that can be used after a single dash.
82 func Float64P(name, shorthand string, value float64, usage string) *float64 {
83 return CommandLine.Float64P(name, shorthand, value, usage)