michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: exports.B = true;
michael@0: exports.foo = "foo";
michael@0: 
michael@0: // Side-effect to detect if we attempt to re-execute this module.
michael@0: if ("loadedB" in self) {
michael@0:   throw new Error("B has been evaluted twice");
michael@0: }
michael@0: self.loadedB = true;