type float64Value … func newFloat64Value(val float64, p *float64) *float64Value { … } func (f *float64Value) Set(s string) error { … } func (f *float64Value) Type() string { … } func (f *float64Value) String() string { … } func float64Conv(sval string) (interface{ … } // GetFloat64 return the float64 value of a flag with the given name func (f *FlagSet) GetFloat64(name string) (float64, error) { … } // 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) { … } // 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) { … } // 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) { … } // 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) { … } // 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 { … } // 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 { … } // 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 { … } // 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 { … }