cc.instantiate执行深拷贝不能拷贝Array对象

[superyyl]

let a = [1, 2, 3, 4, 5, 6]; let b = cc.instantiate(a); cc.log('a', a);//[1,2,3,4,5,6] cc.log('b', b);//undefined

接口定义:
export function instantiate<T>(original: T): T;