{"body":"```\nclass A extends Array {\n  static [Symbol.species] = Array;\n}\n\nA.from([1,2,3])     // return type: A\n  .map(x => x + 1); // return type: Array\n```","name":"","extension":"txt","url":"https://www.irccloud.com/pastebin/KlTA1VIh","modified":1590173614,"id":"KlTA1VIh","size":149,"lines":8,"own_paste":false,"theme":"","date":1590173614}