/// <summary>
/// Computes the hash-code for the <see cref="Optional{T}"/> instance.
/// </summary>
public override int GetHashCode()
{
const int hash = 17;
if (IsValue())
{
return(InternalValue !.GetHashCode() ^ 31);
}
if (IsException())
{
return(InternalException.GetHashCode() ^ 31);
}
return(hash ^ 29);
}
