test_closure.cfc

component
{
	function init()
	{
		this.stuff = {'a a':'a','b b':'b','c c':'c'};

		var keys = StructKeyList(this.stuff);

		for (var i=1; i<=listLen(keys); i++)
		{
			var key = ListGetAt(keys,i);
			this[key] = function() { return this.stuff[key]; }
		}

		return this;
	}

}

test_closure.cfm

<cfset tc = new test_closure() />

<cfset s1 = tc['a a'] />

<cfdump var=#s1()# />