/// <summary>
/// Returns a reference to specified element of the span.
/// </summary>
/// <param name="index">The index</param>
/// <returns>The reference to the specified element</returns>
public ref T this[int index]
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
DebugGuard.MustBeLessThan(index, this.Length, nameof(index));
byte *ptr = (byte *)this.PointerAtOffset + BufferSpan.SizeOf <T>(index);
return(ref Unsafe.AsRef <T>(ptr));
}
}
public BufferSpan <T> Slice(int start)
{
DebugGuard.MustBeLessThan(start, this.Length, nameof(start));
BufferSpan <T> result = default(BufferSpan <T>);
result.Array = this.Array;
result.Start = this.Start + start;
result.PointerAtOffset = this.PointerAtOffset + (Unsafe.SizeOf <T>() * start);
result.Length = this.Length - start;
return(result);
}
public static ref Rgb24 GetRgb24(this Span <byte> bytes, int offset)
{
DebugGuard.MustBeLessThan(offset + 2, bytes.Length, nameof(offset));
return(ref Unsafe.As <byte, Rgb24>(ref bytes[offset]));
}
