michael@0: // Any copyright is dedicated to the Public Domain.
michael@0: // http://creativecommons.org/licenses/publicdomain/
michael@0: 
michael@0: function f(reportCompare) {
michael@0:     if (typeof clear === 'function')
michael@0:         clear(this);
michael@0:     return f;
michael@0: }
michael@0: 
michael@0: // This must be called before clear().
michael@0: reportCompare(0, 0, 'ok');
michael@0: f();  // don't assert