mytable={"a","b","c"}mytable=setmetatable(mytable,{__index={key2="D"}})newtable=getmetatable(mytable...
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mytable={"a","b","c"}
mytable=setmetatable(mytable,{__index={key2="D"}})
newtable=getmetatable(mytable)
print(mytable["key2"])
print(newtable["key2"])
//老师,setmetatable和getmetatable有什么不同吗,都能返回元表,为什么两个结果打印出来不一样,第二个打印出nil
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