Struct Exchange 

pub struct Exchange<'a, T: FormattableCurrency> { /* private fields */ }

Stores ExchangeRates for easier access.

Implementations

impl<'a, T: FormattableCurrency> Exchange<'a, T>

pub fn new() -> Exchange<'a, T>

pub fn set_rate(&mut self, rate: &'a ExchangeRate<'_, T>)

Update an ExchangeRate or add it if does not exist.

pub fn get_rate(&self, from: &T, to: &T) -> Option<ExchangeRate<'a, T>>

Return the ExchangeRate given the currency pair.

Trait Implementations

impl<'a, T: Debug + FormattableCurrency> Debug for Exchange<'a, T>

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

Formats the value using the given formatter.

impl<'a, T: Default + FormattableCurrency> Default for Exchange<'a, T>

fn default() -> Exchange<'a, T>

Returns the “default value” for a type.