func (c *Config) Getfloat(key string) (float64, error) {
	if value, found := c.data[key]; found {
		return strconv.ParseFloat(value, 64)
	}
	return 0, ErrKey
}
func (c *Config) Getfloat(key string) (float64, error) {
	if value, found := c.data[key]; found {
		return strconv.ParseFloat(value, 64)
	}
	return 0, ErrKey
}
func ( c * Config ) Getfloat ( key string ) ( float64 , error ) { if value , found := c . data [ key ] ; found { return strconv . ParseFloat ( value , 64 ) } return 0 , ErrKey }
// Getfloat returns the float value for a given key.
Getfloat returns the float value for a given key .