// Map applies mapping function on optional value if it presents
Map applies mapping function on optional value if it presents
// Map applies mapping function on optional value if it presents
func (f Float64) Map(c func(float64) float64) Float64 {
	if c == nil || !f.IsPresent() {
		return Float64{}
	}
	return OfFloat64(c(f.value))
}
func ( f Float64 ) Map ( c func ( float64 ) float64 ) Float64 { if c == nil || ! f . IsPresent ( ) { return Float64 { } } return OfFloat64 ( c ( f . value ) ) }
Map applies mapping function on optional value if it presents
Map applies mapping function on optional value if it presents