Struct Balance 

pub struct Balance {
    pub balance: HashMap<Option<Rc<Currency>>, Money>,
}

Balance is money with several currencies, for example 100 USD and 50 EUR

Fields

balance: HashMap<Option<Rc<Currency>>, Money>

Implementations

impl Balance

pub fn new() -> Balance

pub fn to_money(&self) -> Result<Money, BalanceError>

Automatic conversion from balance to regular money it can only be done if the balance has only one currency

pub fn is_zero(&self) -> bool

pub fn can_be_zero(&self) -> bool

Whether a balance can be zero To be true, there must be positive and negative amounts

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn iter(&self) -> Iter<'_, Option<Rc<Currency>>, Money>

Trait Implementations

impl Add for Balance

type Output = Balance

The resulting type after applying the + operator.

fn add(self, rhs: Self) -> Self::Output

Performs the + operation.

impl Clone for Balance

fn clone(&self) -> Balance

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Balance

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

Formats the value using the given formatter.

impl Default for Balance

fn default() -> Self

Returns the “default value” for a type.

impl Display for Balance

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

Formats the value using the given formatter.

impl From<Money> for Balance

fn from(money: Money) -> Self

Converts to this type from the input type.

impl<'a> Neg for Balance

type Output = Balance

The resulting type after applying the - operator.

fn neg(self) -> Self::Output

Performs the unary - operation.

impl PartialEq for Balance

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Sub for Balance

type Output = Balance

The resulting type after applying the - operator.

fn sub(self, rhs: Self) -> Self::Output

Performs the - operation.