[−][src]Function doublecount::sum_account_states
pub fn sum_account_states(
account_states: &HashMap<AccountID, AccountState>,
sum_currency: CurrencyCode,
exchange_rate: Option<&ExchangeRate>
) -> Result<Commodity, AccountingError>
Sum the values in all the accounts into a single Commodity, and
use the supplied exchange rate if required to convert a currency in an account
to the sum_currency
.