Struct Money 

pub struct Money {
    amount: f64,
    currency: Currency,
}

A currency-tagged amount.

Fields

amount: f64

currency: Currency

Implementations

impl Money

pub fn new(amount: f64, currency: Currency) -> Self

Constructs money of amount in currency.

pub fn amount(&self) -> f64

The amount.

pub fn currency(&self) -> &Currency

The currency.

fn require_same(&self, other: &Money) -> Result<(), MoneyError>

pub fn add(&self, other: &Money) -> Result<Money, MoneyError>

Adds two same-currency amounts.

Errors

MoneyError naming both currencies when they differ. Amounts in different currencies do not add, so the sum is refused rather than produced in mixed units.

pub fn sub(&self, other: &Money) -> Result<Money, MoneyError>

Subtracts two same-currency amounts.

Errors

As add: MoneyError naming both currencies when they differ.

Trait Implementations

impl Clone for Money

fn clone(&self) -> Money

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Money

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.