Struct Balance 

pub struct Balance { /* private fields */ }

An account balance.

Implementations

impl Balance

pub fn new( account_id: impl AsRef<str>, amount: Money, ) -> Result<Balance, LedgerError>

Creates a balance with a non-empty account identifier.

Errors

Returns LedgerError::EmptyAccountId when the trimmed account identifier is empty.

pub fn account_id(&self) -> &str

Returns the account identifier.

pub const fn amount(&self) -> &Money

Returns the balance amount.

pub fn checked_add(&self, amount: &Money) -> Result<Balance, LedgerError>

Applies another same-currency balance amount.

Errors

Returns LedgerError::Money when money addition fails.

Trait Implementations

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<(), Error>

Formats the value using the given formatter.

impl PartialEq for Balance

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Balance

impl StructuralPartialEq for Balance