49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package cli
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import (
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"strconv"
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)
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type FloatFlag = FlagBase[float64, NoConfig, floatValue]
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// -- float64 Value
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type floatValue float64
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// Below functions are to satisfy the ValueCreator interface
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func (f floatValue) Create(val float64, p *float64, c NoConfig) Value {
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*p = val
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return (*floatValue)(p)
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}
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func (f floatValue) ToString(b float64) string {
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return strconv.FormatFloat(b, 'g', -1, 64)
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}
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// Below functions are to satisfy the flag.Value interface
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func (f *floatValue) Set(s string) error {
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v, err := strconv.ParseFloat(s, 64)
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if err != nil {
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return err
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}
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*f = floatValue(v)
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return err
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}
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func (f *floatValue) Get() any { return float64(*f) }
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func (f *floatValue) String() string { return strconv.FormatFloat(float64(*f), 'g', -1, 64) }
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// Float looks up the value of a local FloatFlag, returns
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// 0 if not found
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func (cmd *Command) Float(name string) float64 {
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if v, ok := cmd.Value(name).(float64); ok {
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tracef("float available for flag name %[1]q with value=%[2]v (cmd=%[3]q)", name, v, cmd.Name)
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return v
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}
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tracef("float NOT available for flag name %[1]q (cmd=%[2]q)", name, cmd.Name)
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return 0
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}
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