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With \cs_generate_variant:Nn one can derive new function variants from a base variant by just giving the original, full function name (N) and the argument specifiers for the function to derive (n).

The description gives an a idea of its use. But I would like to see a self contained example.

Answers using \cs_generate_variant on this site are generally with empty code blocks. The focus is never practical. At other times, the question is about a problem, meaning that the code is defective and thus not intended for learning purposes.

Joseph Wright
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Veak
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    It really doesn't make sense to ask new questions for each section of the expl3 documentation. a VV variant of your command would take the value of two variables as the arguments rather than the nn version which takes the literal argument tokens. – David Carlisle Oct 01 '23 at 16:16
  • see page 32 and following of interface3.pdf – David Carlisle Oct 01 '23 at 16:19
  • If I do everything in one go, I will get indigestion. – Veak Oct 01 '23 at 16:37
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    You could try reading the documentation and if you get a tex problem make a real example and ask about that, just asking dozens of vague open ended questions with no actual example apart from fragments of code out of context isn't a useful way to use this site – David Carlisle Oct 01 '23 at 16:40
  • I did. But because one hardly finds any simple examples about what is going on (most things left in abstract description), I simply do not assimilate the implications for practical use. – Veak Oct 01 '23 at 16:44
  • @DavidCarlisle You are asking me for examples when the person needing them is myself. – Veak Oct 01 '23 at 16:45
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    there are 1680 postings using this command on this site – David Carlisle Oct 01 '23 at 16:47
  • The problem with those answers is that the code blocks for each example is always empty. The focus is never practical. At other times, the question is about a problem, meaning that the code is defective and thus not intended for learning purposes. – Veak Oct 01 '23 at 18:00
  • I doubt very much that you reviewed over 1000 answers in an hour and can claim that none of them can help you. Also most answers on the site solve a concrete problem and so are typically very practical. A person willing to learn can get a lot out of them. – Ulrike Fischer Oct 01 '23 at 19:48
  • Have not arrived at that stage yet. – Veak Oct 01 '23 at 20:09
  • The solution of these people is to close a question asking for an example. – Veak Oct 01 '23 at 21:50
  • Even though this question has been tagged as showing research effor, is useful and clear. – Veak Oct 01 '23 at 23:25

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