{"ScriptPreparationCode":"var arr = Array(10_000).fill(0)","TestCases":[{"Name":"reduce with concat","Code":"arr.reduce((acc, x) =\u003E {\r\nacc.push(x)\r\n return acc\r\n}, [])","IsDeferred":false},{"Name":"flatMap","Code":"arr.flatMap(x =\u003E {\r\nreturn [x]\r\n})","IsDeferred":false}]}