You have been requested to review the proposed merge of
lp:~zorba-coders/zorba/my_queue into lp:zorba/queue-module.
For more details, see:
https://code.launchpad.net/~zorba-coders/zorba/my_queue/+merge/95133
- the names of the queues are now xs:QNames instead of xs:string
- the module was moved inside 'src' folder
- corrected some typos inside the module
--
https://code.launchpad.net/~zorba-coders/zorba/my_queue/+merge/95133
Your team Zorba Coders is requested to review the proposed merge of
lp:~zorba-coders/zorba/my_queue into lp:zorba/queue-module.
=== modified file 'CMakeLists.txt'
--- CMakeLists.txt 2012-01-23 14:34:33 +0000
+++ CMakeLists.txt 2012-02-29 09:13:26 +0000
@@ -22,6 +22,6 @@
INCLUDE ("${Zorba_USE_FILE}")
-ADD_SUBDIRECTORY("src/com/zorba-xquery/www/modules/store/data-structures")
+ADD_SUBDIRECTORY("src")
DONE_DECLARING_ZORBA_URIS()
=== added file 'src/CMakeLists.txt'
--- src/CMakeLists.txt 1970-01-01 00:00:00 +0000
+++ src/CMakeLists.txt 2012-02-29 09:13:26 +0000
@@ -0,0 +1,20 @@
+# Copyright 2006-2008 The FLWOR Foundation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+##### Queue data structure
+
+DECLARE_ZORBA_MODULE (URI "http://www.zorba-xquery.com/modules/store/data-structures/queue"; VERSION 1.0 FILE "queue.xq")
+
+ADD_TEST_DIRECTORY("${PROJECT_SOURCE_DIR}/test")
=== removed directory 'src/com'
=== removed directory 'src/com/zorba-xquery'
=== removed directory 'src/com/zorba-xquery/www'
=== removed directory 'src/com/zorba-xquery/www/modules'
=== removed directory 'src/com/zorba-xquery/www/modules/store'
=== removed directory 'src/com/zorba-xquery/www/modules/store/data-structures'
=== removed file 'src/com/zorba-xquery/www/modules/store/data-structures/CMakeLists.txt'
--- src/com/zorba-xquery/www/modules/store/data-structures/CMakeLists.txt 2012-01-23 14:34:33 +0000
+++ src/com/zorba-xquery/www/modules/store/data-structures/CMakeLists.txt 1970-01-01 00:00:00 +0000
@@ -1,20 +0,0 @@
-# Copyright 2006-2008 The FLWOR Foundation.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-##### Queue data structure
-
-DECLARE_ZORBA_MODULE (URI "http://www.zorba-xquery.com/modules/store/data-structures/queue"; VERSION 1.0 FILE "queue.xq")
-
-ADD_TEST_DIRECTORY("${PROJECT_SOURCE_DIR}/test")
=== removed file 'src/com/zorba-xquery/www/modules/store/data-structures/queue.xq'
--- src/com/zorba-xquery/www/modules/store/data-structures/queue.xq 2012-02-07 10:25:28 +0000
+++ src/com/zorba-xquery/www/modules/store/data-structures/queue.xq 1970-01-01 00:00:00 +0000
@@ -1,197 +0,0 @@
-xquery version "3.0";
-
-(:
- : Copyright 2006-2012 The FLWOR Foundation.
- :
- : Licensed under the Apache License, Version 2.0 (the "License");
- : you may not use this file except in compliance with the License.
- : You may obtain a copy of the License at
- :
- : http://www.apache.org/licenses/LICENSE-2.0
- :
- : Unless required by applicable law or agreed to in writing, software
- : distributed under the License is distributed on an "AS IS" BASIS,
- : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- : See the License for the specific language governing permissions and
- : limitations under the License.
-:)
-
-(:~
- : Implementation of queue for node items, using collections data structures.<br />
- : Queues are created at first node insert.
- :
- : @author Daniel Turcanu
- : @project store/data structures
- :)
-module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-
-import module namespace collections-ddl = "http://www.zorba-xquery.com/modules/store/dynamic/collections/ddl";;
-import module namespace collections-dml = "http://www.zorba-xquery.com/modules/store/dynamic/collections/dml";;
-
-declare namespace ann = "http://www.zorba-xquery.com/annotations";;
-declare namespace ver = "http://www.zorba-xquery.com/options/versioning";;
-declare option ver:module-version "1.0";
-
-(:~
- : URI for all collections QNames. Queue names are combined with this URI to construct QNames used by collection api.
- : The URI is "http://www.zorba-xquery.com/modules/store/data-structures/queue";.
- :)
-declare variable $queue:global-uri := "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-
-(:~
- : Create a queue with this name. <br /> If queue exists, it is deleted first.
- : @param $name string name of the new queue
-:)
-declare %ann:sequential function queue:create($name as xs:string)
-{
- variable $qname := fn:QName($queue:global-uri, $name);
- queue:delete($name);
- collections-ddl:create($qname);
-};
-
-(:~
- : Return a list of string names for available queues.
- : @return the list of created queue names
- : @example test/Queries/available1.xq
-:)
-declare function queue:available-queues() as xs:string*
-{
- for $coll-qname in collections-ddl:available-collections()
- where fn:namespace-uri-from-QName($coll-qname) eq $queue:global-uri
- return fn:local-name-from-QName($coll-qname)
-};
-
-(:~
- : Return the first node in the queue (the first added), without removing it.
- : @param $name name of the queue
- : @return the first node, or empty sequence if queue is empty
- : @example test/Queries/front1.xq
-:)
-declare function queue:front($name as xs:string) as node()?
-{
- let $qname := fn:QName($queue:global-uri, $name)
- let $queue-content := collections-dml:collection($qname)
- return
- if(fn:not(fn:empty($queue-content))) then
- $queue-content[1]
- else
- ()
-};
-
-(:~
- : Return the last node in the queue (the last added), without removing it.
- : @param $name string name of the queue
- : @return the last node, or empty sequence if queue is empty
- : @example test/Queries/back1.xq
-:)
-declare function queue:back($name as xs:string) as node()?
-{
- let $qname := fn:QName($queue:global-uri, $name)
- let $queue-content := collections-dml:collection($qname)
- return
- if(fn:not(fn:empty($queue-content))) then
- $queue-content[fn:last()]
- else
- ()
-};
-
-(:~
- : Return the first node in the queue, and remove it.
- : @param $name string name of the queue
- : @return the first node, or empty sequence if queue is empty
- : @example test/Queries/pop2.xq
-:)
-declare %ann:sequential function queue:pop($name as xs:string) as node()?
-{
- variable $qname := fn:QName($queue:global-uri, $name);
- let $queue-content := collections-dml:collection($qname)
- return
- if(fn:not(fn:empty($queue-content))) then
- {
- variable $top-node := $queue-content[1];
- collections-dml:delete-node-first($qname);
- $top-node
- }
- else
- ()
-};
-
-(:~
- : Add a new node to the queue.
- : @param $name string name of the stack
- : @param $value the node to be added
- : @example test/Queries/push1.xq
-:)
-declare %ann:sequential function queue:push($name as xs:string, $value as node())
-{
- variable $qname := fn:QName($queue:global-uri, $name);
- collections-dml:apply-insert-nodes-last($qname, $value);
-};
-
-(:~
- : Checks if a queue exists and is empty.
- : @param $name string name of the queue
- : @return true is the queue is empty or does not exist
- : @example test/Queries/empty1.xq
-:)
-declare function queue:empty($name as xs:string) as xs:boolean
-{
- let $qname := fn:QName($queue:global-uri, $name)
- return
- if(collections-ddl:is-available-collection($qname)) then
- fn:empty(collections-dml:collection($qname))
- else
- fn:true()
-};
-
-(:~
- : Get the count of nodes in the queue.
- : @param $name string name of the queue
- : @return the count of nodes
- : @example test/Queries/size1.xq
-:)
-declare function queue:size($name as xs:string) as xs:integer
-{
- let $qname := fn:QName($queue:global-uri, $name)
- return
- fn:count(collections-dml:collection($qname))
-};
-
-(:~
- : Remove the queue with all the nodes in it.
- : @param $name string name of the queue
- : @example test/Queries/delete1.xq
-:)
-declare %ann:sequential function queue:delete($name as xs:string)
-{
- variable $qname := fn:QName($queue:global-uri, $name);
- if(collections-ddl:is-available-collection($qname)) then
- {
- variable $queue-size := queue:size($name);
- collections-dml:delete-nodes-first($qname, $queue-size);
- collections-ddl:delete($qname);
- ()
- }
- else
- ()
-};
-
-(:~
- : Copy all nodes from source queue to a destination queue.<br />
- : If destination queue does not exist, it is created first. <br />
- : If destination queue is not empty, the nodes are appended last.
- : @param $destname string name of the destination queue
- : @param $sourcename string name of the source queue
- : @example test/Queries/copy1.xq
-:)
-declare %ann:sequential function queue:copy($destname as xs:string, $sourcename as xs:string)
-{
- variable $destqname := fn:QName($queue:global-uri, $destname);
- if(fn:not(collections-ddl:is-available-collection($destqname))) then
- collections-ddl:create($destqname);
- else
- ();
- variable $sourceqname := fn:QName($queue:global-uri, $sourcename);
- collections-dml:insert-nodes-last($destqname, collections-dml:collection($sourceqname));
-};
-
=== added file 'src/queue.xq'
--- src/queue.xq 1970-01-01 00:00:00 +0000
+++ src/queue.xq 2012-02-29 09:13:26 +0000
@@ -0,0 +1,178 @@
+xquery version "3.0";
+
+(:
+ : Copyright 2006-2012 The FLWOR Foundation.
+ :
+ : Licensed under the Apache License, Version 2.0 (the "License");
+ : you may not use this file except in compliance with the License.
+ : You may obtain a copy of the License at
+ :
+ : http://www.apache.org/licenses/LICENSE-2.0
+ :
+ : Unless required by applicable law or agreed to in writing, software
+ : distributed under the License is distributed on an "AS IS" BASIS,
+ : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ : See the License for the specific language governing permissions and
+ : limitations under the License.
+:)
+
+(:~
+ : Implementation of queue for node items, using collections data structures.<br />
+ : Queues are created at first node insert.
+ :
+ : @author Daniel Turcanu
+ : @project store/data structures
+ :)
+module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
+
+import module namespace collections-ddl = "http://www.zorba-xquery.com/modules/store/dynamic/collections/ddl";;
+import module namespace collections-dml = "http://www.zorba-xquery.com/modules/store/dynamic/collections/dml";;
+
+declare namespace ann = "http://www.zorba-xquery.com/annotations";;
+declare namespace ver = "http://www.zorba-xquery.com/options/versioning";;
+declare option ver:module-version "1.0";
+
+(:~
+ : Create a queue with this name. <br /> If queue exists, it is deleted first.
+ : @param $name name of the new queue.
+:)
+declare %ann:sequential function queue:create( $name as xs:QName )
+{
+ queue:delete($name);
+ collections-ddl:create($name);
+};
+
+(:~
+ : Return a list of xs:QNames for available queues.
+ : @return the list of created queue names.
+ : @example test/Queries/available1.xq
+:)
+declare function queue:available-queues() as xs:QName*
+{
+ for $collQname in collections-ddl:available-collections()
+ return $collQname
+};
+
+(:~
+ : Return the first node in the queue (the first added), without removing it.
+ : @param $name name of the queue.
+ : @return the first node, or empty sequence if queue is empty.
+ : @example test/Queries/front1.xq
+:)
+declare function queue:front($name as xs:QName) as node()?
+{
+ let $queueContent := collections-dml:collection($name)
+ return
+ if(fn:not(fn:empty($queueContent))) then
+ $queueContent[1]
+ else
+ ()
+};
+
+(:~
+ : Return the last node in the queue (the last added), without removing it.
+ : @param $name name of the queue.
+ : @return the last node, or empty sequence if queue is empty.
+ : @example test/Queries/back1.xq
+:)
+declare function queue:back($name as xs:QName) as node()?
+{
+ let $queueContent := collections-dml:collection($name)
+ return
+ if(fn:not(fn:empty($queueContent))) then
+ $queueContent[fn:last()]
+ else
+ ()
+};
+
+(:~
+ : Return the first node in the queue, and remove it.
+ : @param $name name of the queue.
+ : @return the first node, or empty sequence if queue is empty.
+ : @example test/Queries/pop2.xq
+:)
+declare %ann:sequential function queue:pop($name as xs:QName) as node()?
+{
+ let $queueContent := collections-dml:collection($name)
+ return
+ if(fn:not(fn:empty($queueContent))) then
+ {
+ variable $topNode := $queueContent[1];
+ collections-dml:delete-node-first($name);
+ $topNode
+ }
+ else
+ ()
+};
+
+(:~
+ : Add a new node to the queue.
+ : @param $name name of the queue.
+ : @param $value the node to be added.
+ : @example test/Queries/push1.xq
+:)
+declare %ann:sequential function queue:push($name as xs:QName, $value as node())
+{
+ collections-dml:apply-insert-nodes-last($name, $value);
+};
+
+(:~
+ : Checks if a queue exists and is empty.
+ : @param $name name of the queue.
+ : @return true is the queue is empty or does not exist.
+ : @example test/Queries/empty1.xq
+:)
+declare function queue:empty($name as xs:QName) as xs:boolean
+{
+ if(collections-ddl:is-available-collection($name)) then
+ fn:empty(collections-dml:collection($name))
+ else
+ fn:true()
+};
+
+(:~
+ : Count of nodes in the queue.
+ : @param $name name of the queue.
+ : @return the count of nodes.
+ : @example test/Queries/size1.xq
+:)
+declare function queue:size($name as xs:QName) as xs:integer
+{
+ fn:count(collections-dml:collection($name))
+};
+
+(:~
+ : Remove the queue with all the nodes in it.
+ : @param $name name of the queue.
+ : @example test/Queries/delete1.xq
+:)
+declare %ann:sequential function queue:delete($name as xs:QName)
+{
+ if(collections-ddl:is-available-collection($name)) then
+ {
+ variable $queueSize := queue:size($name);
+ collections-dml:delete-nodes-first($name, $queueSize);
+ collections-ddl:delete($name);
+ ()
+ }
+ else
+ ()
+};
+
+(:~
+ : Copy all nodes from source queue to a destination queue.<br />
+ : If destination queue does not exist, it is created first. <br />
+ : If destination queue is not empty, the nodes are appended last.
+ : @param $destName name of the destination queue.
+ : @param $sourceName name of the source queue.
+ : @example test/Queries/copy1.xq
+:)
+declare %ann:sequential function queue:copy($destName as xs:QName, $sourceName as xs:QName)
+{
+ if(fn:not(collections-ddl:is-available-collection($destName))) then
+ collections-ddl:create($destName);
+ else
+ ();
+ collections-dml:insert-nodes-last($destName, collections-dml:collection($sourceName));
+};
+
=== modified file 'test/Queries/available1.xq'
--- test/Queries/available1.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/available1.xq 2012-02-29 09:13:26 +0000
@@ -1,7 +1,8 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
import module namespace collections-ddl = "http://www.zorba-xquery.com/modules/store/dynamic/collections/ddl";;
-collections-ddl:create(fn:QName("http://www.zorba-xquery.com/modules/store/dynamic/collections/ddl";, "queue12"));
+variable $name := fn:QName("http://www.zorba-xquery.com/modules/store/dynamic/collections/ddl";, "queue1");
+collections-ddl:create($name);
-queue:create("queue1");
+queue:create($name);
queue:available-queues()
=== modified file 'test/Queries/back1.xq'
--- test/Queries/back1.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/back1.xq 2012-02-29 09:13:26 +0000
@@ -1,6 +1,7 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-queue:create("queue1");
-queue:push("queue1", <a/>);
-queue:push("queue1", <b/>);
-queue:back("queue1")
\ No newline at end of file
+variable $name := fn:QName("", "queue1");
+queue:create($name);
+queue:push($name, <a/>);
+queue:push($name, <b/>);
+queue:back($name)
\ No newline at end of file
=== modified file 'test/Queries/copy1.xq'
--- test/Queries/copy1.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/copy1.xq 2012-02-29 09:13:26 +0000
@@ -1,9 +1,11 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-queue:create("queue1");
-queue:push("queue1", <a/>);
-queue:push("queue1", <b/>);
-queue:copy("queue-copy", "queue1");
-queue:push("queue-copy", <c/>);
-queue:push("queue-copy", <d/>);
-(queue:front("queue-copy"), queue:size("queue-copy"))
+variable $name := fn:QName("", "queue1");
+variable $nameCopy := fn:QName("", "queue-copy");
+queue:create($name);
+queue:push($name, <a/>);
+queue:push($name, <b/>);
+queue:copy($nameCopy, $name);
+queue:push($nameCopy, <c/>);
+queue:push($nameCopy, <d/>);
+(queue:front($nameCopy), queue:size($nameCopy))
=== modified file 'test/Queries/delete1.xq'
--- test/Queries/delete1.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/delete1.xq 2012-02-29 09:13:26 +0000
@@ -1,7 +1,8 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-queue:create("queue1");
-queue:push("queue1", <a/>);
-queue:push("queue1", <b/>);
-queue:delete("queue1");
+variable $name := fn:QName("", "queue1");
+queue:create($name);
+queue:push($name, <a/>);
+queue:push($name, <b/>);
+queue:delete($name);
queue:available-queues()
=== modified file 'test/Queries/delete2.xq'
--- test/Queries/delete2.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/delete2.xq 2012-02-29 09:13:26 +0000
@@ -1,4 +1,5 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-queue:delete("queue1");
-queue:empty("queue1")
+variable $name := fn:QName("", "queue1");
+queue:delete($name);
+queue:empty($name)
=== modified file 'test/Queries/empty1.xq'
--- test/Queries/empty1.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/empty1.xq 2012-02-29 09:13:26 +0000
@@ -1,13 +1,14 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
+variable $name := fn:QName("", "queue1");
(
-queue:create("queue1"),
-queue:push("queue1", <a/>),
-queue:push("queue1", <b/>),
-queue:empty("queue1"),
-queue:pop("queue1"),
-queue:pop("queue1"),
-queue:empty("queue1"),
-queue:delete("queue1"),
-queue:empty("queue1")
+ queue:create($name),
+ queue:push($name, <a/>),
+ queue:push($name, <b/>),
+ queue:empty($name),
+ queue:pop($name),
+ queue:pop($name),
+ queue:empty($name),
+ queue:delete($name),
+ queue:empty($name)
)
\ No newline at end of file
=== modified file 'test/Queries/front1.xq'
--- test/Queries/front1.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/front1.xq 2012-02-29 09:13:26 +0000
@@ -1,6 +1,7 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-queue:create("queue1");
-queue:push("queue1", <a/>);
-queue:push("queue1", <b/>);
-queue:front("queue1")
\ No newline at end of file
+variable $name := fn:QName("", "queue1");
+queue:create($name);
+queue:push($name, <a/>);
+queue:push($name, <b/>);
+queue:front($name)
\ No newline at end of file
=== modified file 'test/Queries/pop1.xq'
--- test/Queries/pop1.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/pop1.xq 2012-02-29 09:13:26 +0000
@@ -1,4 +1,5 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-queue:create("queue1");
-queue:pop("queue1")
\ No newline at end of file
+variable $name := fn:QName("", "queue1");
+queue:create($name);
+queue:pop($name)
\ No newline at end of file
=== modified file 'test/Queries/pop2.xq'
--- test/Queries/pop2.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/pop2.xq 2012-02-29 09:13:26 +0000
@@ -1,6 +1,7 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-queue:create("queue1");
-queue:push("queue1", <a/>);
-queue:push("queue1", <b/>);
-queue:pop("queue1")
\ No newline at end of file
+variable $name := fn:QName("", "queue1");
+queue:create($name);
+queue:push($name, <a/>);
+queue:push($name, <b/>);
+queue:pop($name)
\ No newline at end of file
=== modified file 'test/Queries/push1.xq'
--- test/Queries/push1.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/push1.xq 2012-02-29 09:13:26 +0000
@@ -1,11 +1,12 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
+variable $name := fn:QName("", "queue1");
(
-queue:create("queue1"),
-queue:push("queue1", <a/>),
-queue:push("queue1", <b/>),
-queue:pop("queue1"),
-queue:push("queue1", <c/>),
-queue:push("queue1", <d/>),
-queue:pop("queue1")
+ queue:create($name),
+ queue:push($name, <a/>),
+ queue:push($name, <b/>),
+ queue:pop($name),
+ queue:push($name, <c/>),
+ queue:push($name, <d/>),
+ queue:pop($name)
)
=== modified file 'test/Queries/push2.xq'
--- test/Queries/push2.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/push2.xq 2012-02-29 09:13:26 +0000
@@ -1,12 +1,13 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
+variable $name := fn:QName("", "queue1");
(
-queue:create("queue1"),
-queue:push("queue1", <a/>),
-queue:push("queue1", <b/>),
-queue:pop("queue1"),
-queue:create("queue1"),
-queue:push("queue1", <c/>),
-queue:push("queue1", <d/>),
-queue:pop("queue1")
+ queue:create($name),
+ queue:push($name, <a/>),
+ queue:push($name, <b/>),
+ queue:pop($name),
+ queue:create($name),
+ queue:push($name, <c/>),
+ queue:push($name, <d/>),
+ queue:pop($name)
)
=== modified file 'test/Queries/size1.xq'
--- test/Queries/size1.xq 2012-02-02 18:48:59 +0000
+++ test/Queries/size1.xq 2012-02-29 09:13:26 +0000
@@ -1,9 +1,10 @@
import module namespace queue = "http://www.zorba-xquery.com/modules/store/data-structures/queue";;
-queue:create("queue1");
-queue:push("queue1", <a/>);
-queue:push("queue1", <b/>);
-queue:pop("queue1");
-queue:push("queue1", <c/>);
-queue:push("queue1", <d/>);
-queue:size("queue1")
+variable $name := fn:QName("", "queue1");
+queue:create($name);
+queue:push($name, <a/>);
+queue:push($name, <b/>);
+queue:pop($name);
+queue:push($name, <c/>);
+queue:push($name, <d/>);
+queue:size($name)
--
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