static v8::Handle<v8::Value> subarrayCallback(const v8::Arguments& args) { Float64Array* imp = V8Float64Array::toNative(args.Holder()); V8TRYCATCH(int, start, toInt32(MAYBE_MISSING_PARAMETER(args, 0, DefaultIsUndefined))); if (args.Length() <= 1) { return toV8(imp->subarray(start), args.Holder(), args.GetIsolate()); } V8TRYCATCH(int, end, toInt32(MAYBE_MISSING_PARAMETER(args, 1, DefaultIsUndefined))); return toV8(imp->subarray(start, end), args.Holder(), args.GetIsolate()); }