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<?php
namespace Money;
use Currency\Currency;
use Money\Exception\MoneyException;
class ExchangeException extends MoneyException
{
public static function createFromCurrencies(Currency $baseCurrency, Currency $counterCurrency)
return new self(
sprintf(
'Cannot exchange a currency pair: %s/%s',
$baseCurrency->getCode(),
$counterCurrency->getCode()
)
);
}