money

package

v0.0.0-...-abea9b8 Latest Latest Go to latest Published: Mar 14, 2022 License: MIT Imports: 3 Imported by: 0

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type Bank struct {
	// contains filtered or unexported fields
}

func NewBank() Bank

func (bank Bank) AddRate(from string, to string, rate int)

func (bank Bank) Reduce(source Expression, toCurrency string) Money

type Expression interface {
	Reduce(bank Bank, currency string) Money
	Plus(addend Expression) Expression
	Times(multiplier int) Expression
}

type Money struct {
	// contains filtered or unexported fields
}

func Dollar(amount int) Money

func Franc(amount int) Money

func (money Money) Equal(other Money) bool

func (money Money) Plus(other Expression) Expression

func (money Money) Reduce(bank Bank, toCurrency string) Money

func (money Money) String() string

func (money Money) Times(n int) Expression

type Sum struct {
	// contains filtered or unexported fields
}

func (sum Sum) Plus(addend Expression) Expression

func (sum Sum) Reduce(bank Bank, currency string) Money

func (sum Sum) Times(multiplier int) Expression