Systematic program design in Js - How to design data - Enumeration

SPD.2b.enumeration.js

/**
 *  Role is one of:
 *    - "superAdmin"
 *    - "admin"
 *    - "user"
 *
 *  Interp. the role of a registered user
 **/

 //  <examples are redundant for enumerations>
 
/**
 * function fnForRole(role) { 
 *    if (role === "superAdmin") {
 *      ....
 *    }  
 *    if (role === "admin") {
 *      ....
 *    }  
 *    if (role === "user") {
 *      ....
 *    }  
 * }
 *
 * Template rules used:
 *  - one of: 3 cases
 *  - atomic distinct: "superAdmin"
 *  - atomic distinct: "admin"
 *  - atomic distinct: "user"