Struct FxRateTable 

pub struct FxRateTable {
    pub base_currency: String,
    /* private fields */
}

Collection of FX rates with lookup functionality.

Fields

base_currency: String

Base currency for the rate table.

Implementations

impl FxRateTable

pub fn new(base_currency: &str) -> Self

Creates a new FX rate table with the specified base currency.

pub fn add_rate(&mut self, rate: FxRate)

Adds a rate to the table.

pub fn get_rate( &self, from_currency: &str, to_currency: &str, rate_type: &RateType, date: NaiveDate, ) -> Option<&FxRate>

Gets a rate for the currency pair, type, and date.

pub fn get_closing_rate( &self, from_currency: &str, to_currency: &str, date: NaiveDate, ) -> Option<&FxRate>

Gets the closing rate for a currency pair on a date.

pub fn get_average_rate( &self, from_currency: &str, to_currency: &str, date: NaiveDate, ) -> Option<&FxRate>

Gets the average rate for a currency pair on a date.

pub fn get_spot_rate( &self, from_currency: &str, to_currency: &str, date: NaiveDate, ) -> Option<&FxRate>

Gets the spot rate for a currency pair on a date.

pub fn convert( &self, amount: Decimal, from_currency: &str, to_currency: &str, rate_type: &RateType, date: NaiveDate, ) -> Option<Decimal>

Converts an amount using the appropriate rate.

pub fn get_all_rates( &self, from_currency: &str, to_currency: &str, ) -> Vec<&FxRate>

Returns all rates for a currency pair.

pub fn len(&self) -> usize

Returns the number of rates in the table.

pub fn is_empty(&self) -> bool

Returns true if the table is empty.

Trait Implementations

impl Clone for FxRateTable

fn clone(&self) -> FxRateTable

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FxRateTable

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

Formats the value using the given formatter.

impl Default for FxRateTable

fn default() -> FxRateTable

Returns the “default value” for a type.