Can I initialize and instance of an object in an array with its index in the array?

public class MyClass
{
    public MyStruct[] structArray = new MyStruct[10];
    print(MyStruct[n].id);
}

public struct MyStruct
{
    public int id;

    public MyStruct(int i)
    {
        id = i; // Make `id` equal to the index of this instance in `structArray`
    }
}

public class MyClass
{
    public MyStruct[] structArray = new MyStruct[10];
    print(MyStruct[n].id);
}

public struct MyStruct
{
    public int id;

    public MyStruct(int i)
    {
        id = i; // Make `id` equal to the index of this instance in `structArray`
    }
}