Directly index the underlying array in TransparentStack instead of indexing the RoSpan

Author: GreemDev

src/Lib/Public/Util/ResizableBuffer.cs

@@ -16,6 +16,8 @@ public class ResizableBuffer<T>
 
     public ReadOnlyMemory<T> RoMemory => _buffer;
 
+    public ref readonly T this[int idx] => ref _buffer[idx];
+
     public ResizableBuffer(int initialCapacity = 8)
     {
         _initialCapacity = initialCapacity;

src/Lib/Public/Util/TransparentStack.cs

@@ -29,12 +29,12 @@ public void Clear()
 
     public T Pop()
     {
-        var item = _buffer.RoSpan[--_buffer.CurrentSize];
+        var item = _buffer[--_buffer.CurrentSize];
         _buffer.Span[_buffer.CurrentSize] = default!;
         return item;
     }
 
-    public T Peek() => _buffer.RoSpan[_buffer.CurrentSize - 1];
+    public T Peek() => _buffer[_buffer.CurrentSize - 1];
 
-    public T Peek(int offset) => _buffer.RoSpan[_buffer.CurrentSize - 1 - offset];
+    public T Peek(int offset) => _buffer[_buffer.CurrentSize - 1 - offset];
 }