CountSubset (GenericNamedArraylist function) - Revision history

JAL at 20:16, 2 September 2014

2014-09-02T20:16:25Z

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	The <var>CountSubset</var> function returns the number of items in a collection that match a		The <var>CountSubset</var> function returns the number of items in a collection that match a
	specified selection criterion. It is related to the <var>[[SubsetNew (~~GenericNamedArraylist~~ function)\|SubsetNew]]</var> collection method, which returns not the count but a collection of the matching items for a specified criterion.		specified selection criterion. It is related to the <var>[[SubsetNew (NamedArraylist function)\|SubsetNew]]</var> collection method, which returns not the count but a collection of the matching items for a specified criterion.

	==Syntax==		==Syntax==

JAL: /* Usage notes */

2012-11-01T19:31:47Z

Usage notes

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	==Usage notes==		==Usage notes==
	<ul>		<ul>
	<li>A <var>CountSubset</var> call with a particular selection criterion is equivalent to a count of the items in the subset returned by the <var>[[SubsetNew ~~(GenericNamedArraylist function)\|SubsetNew]]~~</var> method with that criterion.		<li>A <var>CountSubset</var> call with a particular selection criterion is equivalent to a count of the items in the subset returned by the <var>SubsetNew</var> method with that criterion.
	</ul>		</ul>

JAL2: /* Examples */

2012-07-17T21:05:23Z

Examples

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	==Examples==		==Examples==
			For the collection whose items are the odd integers between 0 and 10, and the selection criterion <code>LT(this, 9))</code>, <var>CountSubset</var> returns <code>4</code>.

	==See also==		==See also==
	{{Template:GenericNamedArraylist:CountSubset footer}}		{{Template:GenericNamedArraylist:CountSubset footer}}

JAL2: /* Usage notes */

2012-07-17T21:03:35Z

Usage notes

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	==Usage notes==		==Usage notes==
			<ul>
			<li>A <var>CountSubset</var> call with a particular selection criterion is equivalent to a count of the items in the subset returned by the <var>[[SubsetNew (GenericNamedArraylist function)\|SubsetNew]]</var> method with that criterion.
			</ul>

	==Examples==		==Examples==

JAL2: /* Syntax terms */

2012-07-17T21:01:39Z

Syntax terms

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	<tr><th>selectionCriterion</th>		<tr><th>selectionCriterion</th>
	<td>A <var>[[SelectionCriterion class\|SelectionCriterion]]</var> object, which is a relational expression that is applied to each collection item value to determine whether the value satisfies the expression. ~~This~~ is a ~~required parameter~~.</td></tr>		<td>A <var>[[SelectionCriterion class\|SelectionCriterion]]</var> object, which is a relational expression that is applied to each collection item value to determine whether the value satisfies the expression.
			<p>
			For example, <code>GT(income, 0)</code> is the criterion <code>income > 0</code>, where <var>income</var> is a class variable whose value is returned for each item. The items that satisfy the expression populate the subset whose count <var>CountSubset</var> returns.</p>
			<p>
			For more information about the function in the criterion, see [[SelectionCriterion class#Specifying a SelectionCriterion's parameters\|"Specifying a SelectionCriterion's parameters"]].</p></td></tr>
	</table>		</table>

JAL2 at 20:13, 17 July 2012

2012-07-17T20:13:30Z

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	{{Template:GenericNamedArraylist:CountSubset subtitle}}		{{Template:GenericNamedArraylist:CountSubset subtitle}}

	~~This page~~ is [[~~under construction~~]].		The <var>CountSubset</var> function returns the number of items in a collection that match a
			specified selection criterion. It is related to the <var>[[SubsetNew (GenericNamedArraylist function)\|SubsetNew]]</var> collection method, which returns not the count but a collection of the matching items for a specified criterion.

	==Syntax==		==Syntax==
	{{Template:GenericNamedArraylist:CountSubset syntax}}		{{Template:GenericNamedArraylist:CountSubset syntax}}

	===Syntax terms===		===Syntax terms===
	<table class="syntaxTable">		<table class="syntaxTable">
	<tr><th>%number</th><td>~~number~~</td></tr>		<tr><th>%number</th>
			<td>A numeric variable to contain the count of matching items.</td></tr>

	<tr><th>anyNal</th>		<tr><th>anyNal</th>
	<td>~~GenericNamedArraylist~~ object</td></tr>		<td>A <var>[[NamedArraylist class\|NamedArraylist]]</var>, <var>[[FloatNamedArraylist class\|FloatNamedArraylist]]</var>, or <var>[[UnicodeNamedArraylist class\|UnicodeNamedArraylist]]</var> object variable.</td></tr>

	<tr><th>selectionCriterion</th>		<tr><th>selectionCriterion</th>
	<td><var>SelectionCriterion</var> object</td></tr>		<td>A <var>[[SelectionCriterion class\|SelectionCriterion]]</var> object, which is a relational expression that is applied to each collection item value to determine whether the value satisfies the expression. This is a required parameter.</td></tr>
	</table>		</table>

	==Usage notes==		==Usage notes==

	==Examples==		==Examples==

	==See also==		==See also==
	{{Template:GenericNamedArraylist:CountSubset footer}}		{{Template:GenericNamedArraylist:CountSubset footer}}

JALWiccan: Automatically generated page update

2012-07-17T20:09:39Z

Automatically generated page update

New page

{{Template:GenericNamedArraylist:CountSubset subtitle}}

This page is [[under construction]].
==Syntax==
{{Template:GenericNamedArraylist:CountSubset syntax}}
===Syntax terms===
<table class="syntaxTable">
<tr><th>%number</th><td>number</td></tr>
<tr><th>anyNal</th>
<td>GenericNamedArraylist object</td></tr>
<tr><th>selectionCriterion</th>
<td><var>SelectionCriterion</var> object</td></tr>
</table>
==Usage notes==
==Examples==
==See also==
{{Template:GenericNamedArraylist:CountSubset footer}}