{"ScriptPreparationCode":"const elements = new Set(Array.from({length:10000},(i) =\u003E i));","TestCases":[{"Name":"spread","Code":"const v = [...elements][0];","IsDeferred":false},{"Name":"iterator","Code":"function first(iter){\r\n for(const v of iter) return v;\r\n return undefined;\r\n}\r\nconst v = first(elements);","IsDeferred":false}]}