public void RemoveCurrencyTest()
{
_group.Add(_gold, 100d);
var removed = _group.Remove(_gold, 50d);
Assert.IsNull(removed.error);
Assert.IsTrue(removed.result);
Assert.AreEqual(0d, _col1.GetAmount(_gold));
Assert.AreEqual(50d, _col2.GetAmount(_gold));
}
public Result <bool> RemoveCurrency(ICurrency currency, double amount)
{
return(currencies.Remove(currency, amount));
}