Function describe

resources/benchmark.js:79–87

(name, fn)

            var prevBeforeFn;

            function describe(name, fn) {
              description.push(name);
              beforeStack.push(prevBeforeFn);
              prevBeforeFn = beforeFn;
              fn();
              beforeFn = prevBeforeFn;
              prevBeforeFn = beforeStack.pop();
              description.pop();
            }

            function beforeEach(fn) {
              beforeFn = !prevBeforeFn