A-M baby

Task/Hamming-numbers/JavaScript/hamming-numbers-1.js

@@ -0,0 +1,27 @@
+function hamming() {
+    var queues = {2: [], 3: [], 5: []};
+    var base;
+    var next_ham = 1;
+    while (true) {
+        yield next_ham;
+
+        for (base in queues) {queues[base].push(next_ham * base)}
+
+        next_ham = [ queue[0] for each (queue in queues) ].reduce(function(min, val) {
+            return Math.min(min,val)
+        });
+
+        for (base in queues) {if (queues[base][0] == next_ham) queues[base].shift()}
+    }
+}
+
+var ham = hamming();
+var first20=[], i=1;
+
+for (; i <= 20; i++)
+    first20.push(ham.next());
+print(first20.join(', '));
+print('...');
+for (; i <= 1690; i++)
+    ham.next();
+print(i + " => " + ham.next());