Bamboo.Prevalence.Tests.Model.AddingSystem.IAddingSystem C# (CSharp) 메소드

		int IAddingSystem.Add(int amount)
		{
			if (amount < 0)
			{
				throw new ArgumentOutOfRangeException("amount", amount, "amount must be positive!");
			}

			_total += amount;
			return _total;
		}
	}