[xquery-talk] function() inside of an element ?

[David Lee]

yes

-----Original Message-----
From: Misztur, Chris [mailto:CMisztur at macleanfogg.com] 
Sent: Friday, January 31, 2014 6:12 PM
To: William Candillon
Cc: David Lee; talk at x-query.com
Subject: Re: [xquery-talk] function() inside of an element ?

Can the anonymous function take an arbitrary parameter?

> On Jan 31, 2014, at 3:21 AM, "William Candillon" <wcandillon at gmail.com> wrote:
>
> Here's an example with a map extension (JSONiq in this instance):
> let $obj := {
>    hello: function(){
>        "Hello World"
>    }
> }
> return $obj.hello()
>
> http://try.zorba.io/queries/xquery/y5RSvf%2FQpvfNSvB%2Fep%2BE3H2hYcA%3
> D
>
>
> On Fri, Jan 31, 2014 at 12:23 AM, Misztur, Chris 
> <CMisztur at macleanfogg.com> wrote:
>> Understood, thanks.
>>
>> On Jan 30, 2014, at 5:06 PM, "David Lee" <dlee at calldei.com> wrote:
>>
>> yes to all that (except maps which are vendor specific)
>>
>>
>>
>> declare variable $a := function() { true() } ;
>>
>> ..
>>
>>
>>
>> return $a()
>>
>>
>>
>> let $x := ( 1 , $a , 2 )
>>
>> return ($x[2])()
>>
>>
>>
>> but elements no ... sticking a function into an element atomizes the 
>> function itself which is not allowed ... a sad state of affairs 
>> (unless you want to serialize the XML as well XML ... then its great 
>> )
>>
>>
>>
>>
>>
>> From: Misztur, Chris [mailto:CMisztur at macleanfogg.com]
>> Sent: Thursday, January 30, 2014 5:26 PM
>> To: David Lee
>> Cc: talk at x-query.com
>> Subject: Re: [xquery-talk] function() inside of an element ?
>>
>>
>>
>> Err the last arguments should be variables.
>>
>>
>> On Jan 30, 2014, at 4:24 PM, "Misztur, Chris" 
>> <CMisztur at macleanfogg.com>
>> wrote:
>>
>> Better yet, is it possible to store a function in a map whose 
>> arguments are known at runtime.  In other words the functions 
>> arguments do not reference any existing arguments at design time.
>>
>>
>> On Jan 30, 2014, at 4:11 PM, "David Lee" <dlee at calldei.com> wrote:
>>
>> No.
>>
>>
>>
>>
>>
>> From: talk-bounces at x-query.com [mailto:talk-bounces at x-query.com] On 
>> Behalf Of Misztur, Chris
>> Sent: Thursday, January 30, 2014 5:07 PM
>> To: talk at x-query.com
>> Subject: [xquery-talk] function() inside of an element ?
>>
>>
>>
>> Is it possible to call the function stored inside of $el?
>>
>>
>>
>> Let $el := element f { function() { true() } }
>>
>>
>>
>>
>>
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