Pop (Arraylist function): Difference between revisions

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{{Template:Arraylist:Pop subtitle}}
{{Template:Arraylist:Pop subtitle}}
 
This [[Notation conventions for methods#Callable functions|callable]] function returns the current contents of the last item in the method object <var>Arraylist</var>; then it removes that item.
<var>Pop</var> returns the current contents of the last item in the method object <var>Arraylist</var>; then it removes that item.


==Syntax==
==Syntax==
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<li>The <var>Pop</var> method for object <var class="term">al</var> is equivalent to specifying the following code fragment:
<li>The <var>Pop</var> method for object <var class="term">al</var> is equivalent to specifying the following code fragment:
<p class="code"><var class="term">al</var>:<var>[[Item (Arraylist property)|Item]]</var>(<var class="term">al</var>:<var>[[Count (Arraylist property)|Count]]</var>)
<p class="code"><var class="term">al</var>:<var>[[Item (Arraylist property)|Item]]</var>(<var class="term">al</var>:<var>[[Count (Arraylist property)|Count]]</var>)
<var class="term">al</var>:<var>[[RemoveItem (Arraylist function)|RemoveItem]]</var>(<var class="term">al</var>:<var>[[Count (Arraylist property)|Count]]</var>)
<var class="term">al</var>:<var>[[RemoveItem (Arraylist function)|RemoveItem]]</var>(<var class="term">al</var>:Count)
</p>
</p>


<li><var>Pop</var> is available in <var class="product">[[Sirius Mods|"Sirius Mods"]]</var> Version 7.0 and later.
<li><var>Pop</var> is available in <var class="product">[[Sirius Mods|Sirius Mods]]</var> Version 7.0 and later.
</ul>
</ul>



Latest revision as of 16:17, 1 November 2012

Retrieve last Arraylist item, then remove item (Arraylist class)

This callable function returns the current contents of the last item in the method object Arraylist; then it removes that item.

Syntax

[%item =] al:Pop

Syntax terms

%item An, optional, variable of the same type as specified on the al declaration to contain the contents of the last al item.
al An Arraylist object.

Usage notes

  • The Pop method for object al is equivalent to specifying the following code fragment:

    al:Item(al:Count) al:RemoveItem(al:Count)

  • Pop is available in Sirius Mods Version 7.0 and later.

See also

  • LastItem returns the last item of an Arraylist without removing it.
  • Dequeue returns the first item of an Arraylist, then removes it.
  • Push, a synonym for Add, appends an item to an Arraylist.