How to separate C# tuple values to match method arguments

Question

I am wondering is it possible to 'spread' tuple's values in a way to properly match method arguments.

For example:

public (int, object) GetTuple() {
   return (5, null);
}

public void ReceiveMultipleArguments(int a, object b) { ... }

The call of ReceiveMultipleArguments method like this:

ReceiveMultipleArguments(GetTuple());

will result in this error:

CS7036: There is no argument given that corresponds to the required formal parameter 'b' of 'Method1(int, object)'

The possible solution is to destructure tuple manually then provide each value as method argument, but is there a way to do it shorter, like spread operator that exists in javascript, for example?

Answer 1

C# is a strongly typed language, so you cannot pass tuple (which has its own class ValueTuple class).

So, you could just define overload for the method:

public void Test()
{
    ReceiveMultipleArguments(GetTuple());
}

public (int, object) GetTuple()
{
    return (5, null);
}

public void ReceiveMultipleArguments((int a, object b) @params) => ReceiveMultipleArguments(@params.a, @params.b);
public void ReceiveMultipleArguments(int a, object b) { ... }