Slice method in RefEnumerable<T> and ReadOnlyRefEnumerable<T>

[risinghero]

Overview

Slice method in RefEnumerable and ReadOnlyRefEnumerable analogue to Slice method of Span.

API breakdown

namespace CommunityToolkit.SomePackage;

public class ReadOnlyRefEnumerable<T>
{
    public ReadOnlyRefEnumerable<T> Slice(int start,int length);
}

Usage example

var span=new Span2D<double>(5,5);//matrix representation
span.GetColumn(0)[..3];//get 3 values from matrix

### Breaking change?

No

### Alternatives

Alternative is to copy everything to span.

### Additional context

_No response_

### Help us help you

Yes, I'd like to be assigned to work on this item

[Sergio0694]

Is this not the same as span[.., ..3].GetColumn(0)? 🤔

[risinghero]

Looks like it is a solution. Though Slice for my purpose will be better and it feels like natural method analogue to span slice or Array slice.