1. An expansion syntax that creates a set of expressions in software code, comprising: one or more expansion constructs embedded within a software code expression, wherein each said construct includes an expansion syntax indicator and a plurality of list parameters, where said list parameters identify list members associated with said construct; and an expansion function that interprets said software code expression to create a set of expanded expressions, wherein each expanded expression in said set of expanded expressions includes a list member associated with each of said one or more expansion constructs.