Could somebody explain "due to the way that Lua implements tables, the order that elements appear in a traversal is undefined" in more detpth?

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Subject: Could somebody explain "due to the way that Lua implements tables, the order that elements appear in a traversal is undefined" in more detpth?
From: 孙世龙 sunshilong <sunshilong369@...>
Date: Sun, 11 Oct 2020 16:36:48 +0800

How to comprehend "due to the way that Lua implements tables, the
order that elements appear in a traversal is undefined".

Could somebody explain that in more depth?

Best regards
Sunshilong

Follow-Ups:
- Re: Could somebody explain "due to the way that Lua implements tables, the order that elements appear in a traversal is undefined" in more detpth?, Robert Burke
- Re: Could somebody explain "due to the way that Lua implements tables, the order that elements appear in a traversal is undefined" in more detpth?, Luiz Henrique de Figueiredo

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