Re: Using full userdata as table index?

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• Subject: Re: Using full userdata as table index?
• From: RLake@...
• Date: 2004年2月10日 03:32:21 +0000

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> Is it possible to use userdata as an index into a lookup table.

Yes. Any Lua object can be used as a table index, except for nil and, if using numbers conforming to IEEE-754 arithmetic, NaN.

> While the documentation doesn't seem to explicitly forbid this, I can't get it to work...

Could you possibly be more specific about the problem?

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• References:
  • Using full userdata as table index?, Huang, Wallace

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