calls.go
func (c *Call) FriendlyPrice() string {
	if c == nil {
		return ""
	}
	return price(c.PriceUnit, c.Price)
}
func (c *Call) FriendlyPrice() string {
	if c == nil {
		return ""
	}
	return price(c.PriceUnit, c.Price)
}
func ( c * Call ) FriendlyPrice ( ) string { if c == nil { return " " } return price ( c . PriceUnit , c . Price ) }
// FriendlyPrice flips the sign of the Price (which is usually reported from
// the API as a negative number) and adds an appropriate currency symbol in
// front of it. For example, a PriceUnit of "USD" and a Price of "-1.25" is
// reported as "$1.25".
FriendlyPrice flips the sign of the Price ( which is usually reported from the API as a negative number ) and adds an appropriate currency symbol in front of it . For example a PriceUnit of USD and a Price of - 1 . 25 is reported as $1 . 25 .