public static Operations GetDefault()
{
Operations operations = new Operations();
operations._collection = new Dictionary<string, Func<int, int, int>>
{
{"+", (x, y) => x + y},
{"-", (x, y) => x - y}
};
return operations;
}
public Calculator(Operations operations, ILogger logger)
{
_operations = operations;
_logger = logger;
}
