was.js – Diff between revs 12 and 24

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-/*! was - v1.0.0 - 2017-05-29
+/*! was.js - v1.0.0 - 2017-12-13
 * http://grimore.org
 * Copyright (c) 2017 Wizardry and Steamworks <office@grimore.org>; Licensed GPL-3.0 */
 /*    Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3    */
 /*************************************************************************/
 if (!Array.prototype.product) {
         o[c[0]] = c[1];
     }, o);
     return o;
+}
+/*    Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3    */
+/*************************************************************************/
+/* fuss/lambda_calculus/functional_programming/aggregators @ grimore.org */
+/*************************************************************************/
+function wasSwitch(q, d, ...c) {
+    if(c.length % 2 !== 0) {
+        throw "Pairs of predicates expected for cases";
+    }
+    (Array.isArray(this) ? this : [ this ]).forEach((s) => {
+        var m = false;
+        for(var i = 0; i < c.length; i += 2) {
+            if(!c[i](s)) {
+                continue;
+            }
+            if(!c[i + 1](s)) {
+                continue;
+            }
+            m = true;
+        }
+        if(!m) {
+            d(s);
+        }
+    });
+}
+// Vanilla ES6 JavaScript
+if (!Array.prototype.switch) {
+    Array.prototype.switch = wasSwitch;
+}
+// jQuery
+if(typeof jQuery === 'function') {
+    $.extend({
+        switch: wasSwitch
+    });
+}
+// Node.JS
+module.exports = {
+    switch: wasSwitch
+};
 /*    Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3    */
 /*************************************************************************/
 function wasMapValueToRange(value, xMin, xMax, yMin, yMax) {
     return yMin + (