/// <summary>
/// Indicates whether this and another instance are considered equivalent.
/// </summary><returns>
/// True if both instances share the same backing array, or if both backing arrays are absent; otherwise false.
/// </returns>
/// <param name="other">Another instance to compare against.</param>
public bool Equals(ArrayR2 <T> other)
{
return(object.ReferenceEquals(this.array, other.array));
}
/// <summary>
/// Creates a ReadOnlyArrayR2 wrapper from an ArrayR2 wrapper.
/// </summary><remarks>
/// If a backing array is absent, the backing array of the ReadOnlyArray will simply be absent too.
/// </remarks>
/// <param name="array">A wrapped array to re-wrap as readonly.</param>
public ReadOnlyArrayR2(ArrayR2 <T> array)
{
this.array = array.Array;
//if (this.array == null)
// throw new ArgumentException(paramName: nameof(array), message: ERR.ARRAY_ARG_ABSENT);
}