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74 lines
2.6 KiB
Go
74 lines
2.6 KiB
Go
package pflag
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import (
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"fmt"
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"strconv"
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)
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// -- float64 Value
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type float64Value float64
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func newFloat64Value(val float64, p *float64) *float64Value {
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*p = val
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return (*float64Value)(p)
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}
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func (f *float64Value) Set(s string) error {
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v, err := strconv.ParseFloat(s, 64)
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*f = float64Value(v)
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return err
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}
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func (f *float64Value) Type() string {
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return "float64"
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}
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func (f *float64Value) String() string { return fmt.Sprintf("%v", *f) }
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// Float64Var defines a float64 flag with specified name, default value, and usage string.
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// The argument p points to a float64 variable in which to store the value of the flag.
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func (f *FlagSet) Float64Var(p *float64, name string, value float64, usage string) {
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f.VarP(newFloat64Value(value, p), name, "", usage)
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}
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// Like Float64Var, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Float64VarP(p *float64, name, shorthand string, value float64, usage string) {
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f.VarP(newFloat64Value(value, p), name, shorthand, usage)
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}
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// Float64Var defines a float64 flag with specified name, default value, and usage string.
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// The argument p points to a float64 variable in which to store the value of the flag.
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func Float64Var(p *float64, name string, value float64, usage string) {
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CommandLine.VarP(newFloat64Value(value, p), name, "", usage)
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}
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// Like Float64Var, but accepts a shorthand letter that can be used after a single dash.
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func Float64VarP(p *float64, name, shorthand string, value float64, usage string) {
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CommandLine.VarP(newFloat64Value(value, p), name, shorthand, usage)
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}
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// Float64 defines a float64 flag with specified name, default value, and usage string.
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// The return value is the address of a float64 variable that stores the value of the flag.
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func (f *FlagSet) Float64(name string, value float64, usage string) *float64 {
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p := new(float64)
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f.Float64VarP(p, name, "", value, usage)
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return p
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}
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// Like Float64, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Float64P(name, shorthand string, value float64, usage string) *float64 {
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p := new(float64)
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f.Float64VarP(p, name, shorthand, value, usage)
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return p
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}
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// Float64 defines a float64 flag with specified name, default value, and usage string.
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// The return value is the address of a float64 variable that stores the value of the flag.
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func Float64(name string, value float64, usage string) *float64 {
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return CommandLine.Float64P(name, "", value, usage)
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}
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// Like Float64, but accepts a shorthand letter that can be used after a single dash.
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func Float64P(name, shorthand string, value float64, usage string) *float64 {
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return CommandLine.Float64P(name, shorthand, value, usage)
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}
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