Object as a key in a map container

2017 6 2
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更新时间：2018 2 12
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I have two different class types. Can I use in the map container one as a value and the other as a key?

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Adam
Adam 2017-6-2

0 个投票

No. Keys are restricted to:
'Possible values are 'char', 'double', 'single', 'int32', 'uint32', 'int64', or 'uint64'.'
So I guess if your class inherits from one of these then you can (I don't think I have tried this), but not otherwise.

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Feilin Jia
Feilin Jia 2018-2-12

0 个投票

No. I have the same question with you. I tried, but it gives me error. The key must be a number or character.

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