mirror of
https://github.com/Luzifer/gcr-clean.git
synced 2024-12-23 20:01:20 +00:00
85 lines
3 KiB
Go
85 lines
3 KiB
Go
|
package pflag
|
||
|
|
|
||
|
|
import "strconv"
|
||
|
|
|
||
|
|
// -- float64 Value
|
||
|
|
type float64Value float64
|
||
|
|
|
||
|
|
func newFloat64Value(val float64, p *float64) *float64Value {
|
||
|
|
*p = val
|
||
|
|
return (*float64Value)(p)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *float64Value) Set(s string) error {
|
||
|
|
v, err := strconv.ParseFloat(s, 64)
|
||
|
|
*f = float64Value(v)
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *float64Value) Type() string {
|
||
|
|
return "float64"
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *float64Value) String() string { return strconv.FormatFloat(float64(*f), 'g', -1, 64) }
|
||
|
|
|
||
|
|
func float64Conv(sval string) (interface{}, error) {
|
||
|
|
return strconv.ParseFloat(sval, 64)
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetFloat64 return the float64 value of a flag with the given name
|
||
|
|
func (f *FlagSet) GetFloat64(name string) (float64, error) {
|
||
|
|
val, err := f.getFlagType(name, "float64", float64Conv)
|
||
|
|
if err != nil {
|
||
|
|
return 0, err
|
||
|
|
}
|
||
|
|
return val.(float64), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Float64Var defines a float64 flag with specified name, default value, and usage string.
|
||
|
|
// The argument p points to a float64 variable in which to store the value of the flag.
|
||
|
|
func (f *FlagSet) Float64Var(p *float64, name string, value float64, usage string) {
|
||
|
|
f.VarP(newFloat64Value(value, p), name, "", usage)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Float64VarP is like Float64Var, but accepts a shorthand letter that can be used after a single dash.
|
||
|
|
func (f *FlagSet) Float64VarP(p *float64, name, shorthand string, value float64, usage string) {
|
||
|
|
f.VarP(newFloat64Value(value, p), name, shorthand, usage)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Float64Var defines a float64 flag with specified name, default value, and usage string.
|
||
|
|
// The argument p points to a float64 variable in which to store the value of the flag.
|
||
|
|
func Float64Var(p *float64, name string, value float64, usage string) {
|
||
|
|
CommandLine.VarP(newFloat64Value(value, p), name, "", usage)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Float64VarP is like Float64Var, but accepts a shorthand letter that can be used after a single dash.
|
||
|
|
func Float64VarP(p *float64, name, shorthand string, value float64, usage string) {
|
||
|
|
CommandLine.VarP(newFloat64Value(value, p), name, shorthand, usage)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Float64 defines a float64 flag with specified name, default value, and usage string.
|
||
|
|
// The return value is the address of a float64 variable that stores the value of the flag.
|
||
|
|
func (f *FlagSet) Float64(name string, value float64, usage string) *float64 {
|
||
|
|
p := new(float64)
|
||
|
|
f.Float64VarP(p, name, "", value, usage)
|
||
|
|
return p
|
||
|
|
}
|
||
|
|
|
||
|
|
// Float64P is like Float64, but accepts a shorthand letter that can be used after a single dash.
|
||
|
|
func (f *FlagSet) Float64P(name, shorthand string, value float64, usage string) *float64 {
|
||
|
|
p := new(float64)
|
||
|
|
f.Float64VarP(p, name, shorthand, value, usage)
|
||
|
|
return p
|
||
|
|
}
|
||
|
|
|
||
|
|
// Float64 defines a float64 flag with specified name, default value, and usage string.
|
||
|
|
// The return value is the address of a float64 variable that stores the value of the flag.
|
||
|
|
func Float64(name string, value float64, usage string) *float64 {
|
||
|
|
return CommandLine.Float64P(name, "", value, usage)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Float64P is like Float64, but accepts a shorthand letter that can be used after a single dash.
|
||
|
|
func Float64P(name, shorthand string, value float64, usage string) *float64 {
|
||
|
|
return CommandLine.Float64P(name, shorthand, value, usage)
|
||
|
|
}
|