Streams - endless arrays

streams-endless-arrays/streams-endless-arrays.js

@@ -0,0 +1,13 @@
+var Stream = function(start, output, stepping) {
+  this.curr = start;
+  this._get = output;
+  this._next = stepping;
+};
+Stream.prototype = {
+  head: function() {
+    return this._get(this.curr);
+  },
+  tail: function() {
+    return new Stream(this._next(this.curr), this._get, this._next);
+  }
+};