CFLib.org – CounterMinusMinus

CounterMinusMinus([intCounter])

Last updated April 19, 2002

author

Version: 1 | Requires: ColdFusion 5 | Library: DataManipulationLib

Rated 3 time(s). Average Rating: 1.0

Description:
Simulate the c functionality of i--. Decrements a counter and returns the value of the counter before it was decremeted.

Return Values:
Returns the value of the variable BEFORE it has been decremented.

Example:

view plain print about

<cfset i=2>
<cfset aArray = arrayNew(1)>
<cfset aArray[counterMinusMinus("i")]="Hans">
<cfset aArray[counterMinusMinus("i")]="Otto">

<cfoutput>
#i#
</cfoutput>

Parameters:

Name	Description	Required
intCounter	The name, not the value, of the variable to be decremented.	No

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				ColdFISH is developed by Jason Delmore.  Source code and license information available at coldfish.riaforge.org.  Version 3.1.1
				
			<cfscript>
/**
 * Simulate the c functionality of i--.
 * 
 * @param intCounter 	 The name, not the value, of the variable to be decremented. 
 * @return Returns the value of the variable BEFORE it has been decremented. 
 * @author Stephan Scheele (&#115;&#116;&#101;&#112;&#104;&#97;&#110;&#64;&#115;&#116;&#101;&#112;&#104;&#97;&#110;&#45;&#116;&#45;&#115;&#99;&#104;&#101;&#101;&#108;&#101;&#46;&#100;&#101;) 
 * @version 1, April 19, 2002 
 */
function counterMinusMinus(intCounter) {	
	var temp = evaluate(intCounter);
	"#intCounter#" = temp - 1;
	return temp;
}
</cfscript>
		<cfscript>
/**
 * Simulate the c functionality of i--.
 * 
 * @param intCounter      The name, not the value, of the variable to be decremented. 
 * @return Returns the value of the variable BEFORE it has been decremented. 
 * @author Stephan Scheele (stephan@stephan-t-scheele.de) 
 * @version 1, April 19, 2002 
 */
function counterMinusMinus(intCounter) {    
    var temp = evaluate(intCounter);
    "#intCounter#" = temp - 1;
    return temp;
}
</cfscript>