CFLib.org – CounterMinusMinus

CounterMinusMinus([intCounter])

Last updated April 19, 2002

author

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

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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:

Parameters:

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

Full UDF Source:

	
	<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>