Russ S.

<cffunction name="applyFunction">
    <cfargument name="function_name">
    <cfargument name="value">

    <cfreturn arguments.function_name(arguments.value)>
</cffunction>


<cffunction name="double">
    <cfargument name="input" type="numeric">

    <cfreturn arguments.input * 2>
</cffunction>


<cfset result = applyFunction(double, 3)>


<cfoutput>
    Double Result: #result#
</cfoutput>