{"ScriptPreparationCode":"function double(n) {\r\n\treturn n*2;\r\n}\r\nvar data = [...Array(20)].map((v, idx) =\u003E idx);\r\n\r\nvar mapIndexed = R.addIndex(R.map);","TestCases":[{"Name":"Ramda","Code":"mapIndexed(double, data);","IsDeferred":false},{"Name":"Array (native)","Code":"data.map(double);","IsDeferred":false},{"Name":"Lodash","Code":"_.map(data, double);","IsDeferred":false}]}