Class: Money::Bank::SingleCurrency

Inherits:

Base

• Object
• Base
• Money::Bank::SingleCurrency

Defined in:

lib/money/bank/single_currency.rb,
sig/lib/money/bank/single_currency.rbs

Overview

Class to ensure client code is operating in a single currency by raising if an exchange attempts to happen.

Instance Attribute Summary

Attributes inherited from Base

#rounding_method

Instance Method Summary

• #exchange_with(from, to_currency) ⇒ void

  Raises a DifferentCurrencyError to remove possibility of accidentally exchanging currencies.

Methods inherited from Base

#initialize, instance, #same_currency?, #setup

Constructor Details

This class inherits a constructor from Money::Bank::Base

Instance Method Details

#exchange_with(from, to_currency) ⇒ void

This method returns an undefined value.

Raises a DifferentCurrencyError to remove possibility of accidentally exchanging currencies

Parameters:

• from (Money)
• to_currency (Money::Currency, string, Symbol)

# File 'lib/money/bank/single_currency.rb', line 20

def exchange_with(from, to_currency, &)
  raise DifferentCurrencyError, "No exchanging of currencies allowed: #{from} #{from.currency} to #{to_currency}"
end