with nested tuples does this come close to structured types ?
The accessor syntax then becomes more relevant   a.b.c  (not an actual
example)

is this extension in saxon xquery?


Sent from my iPhone

> On Feb 11, 2018, at 4:21 AM, Michael Kay mike@xxxxxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
>
>> On 10 Feb 2018, at 22:46, Alan Painter alan.painter@xxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>>
>> Tuples!!!!!
>>
>
> For my ideas on tuples, see
>
> http://dev.saxonica.com/blog/mike/2016/09/tuple-types-and-type-aliases.html
>
> Much of this is quietly implemented as an extension in Saxon 9.8, provided
you set a switch to enable it (--allowSyntaxExtensions)
>
> Michael Kay
> Saxonica