Currency Predicates

To check that money value has an expected currency use the methods isInCurrency(Currency) and isInSameCurrencyAs(Money):

import 'package:money2/money2.dart';
fiveDollars.isInCurrency(usd); // => true
fiveDollars.isInCurrency(eur); // => false

import 'package:money2/money2.dart';
fiveDollars.isInSameCurrencyAs(sevenDollars); // => true
fiveDollars.isInSameCurrencyAs(fiveEuros);    // => false