public static byte[] AsArray(this FFIBlock ffi)
{
var arr = new byte[(int)ffi.len];
var span = ffi.AsSpan();
span.CopyTo(arr);
return(arr);
}
/// <summary>
/// Be super careful that this function only works in the delegate.
/// Because rust side will free the memory when finished calling it.
/// If you want to use the data from out side of the delegate, use `ToArray()`
/// instead, which will make a copy of the data.
/// </summary>
/// <param name="ffi"></param>
/// <returns></returns>
public static Span <byte> AsSpan(this FFIBlock ffi)
{
var size = (int)ffi.len;
unsafe
{
return(new Span <byte>(ffi.ptr.ToPointer(), size));
}
}