Builds an ExchangeRates dictionary from an array of region-like objects. Accepts any shape that has currency.code and currency.exchange_rate (the minimal overlap between the admin and dashboard Region types).
currency.code
currency.exchange_rate
Builds an ExchangeRates dictionary from an array of region-like objects. Accepts any shape that has
currency.codeandcurrency.exchange_rate(the minimal overlap between the admin and dashboard Region types).