I have a counter that I want to use for the beamer \onslide command.


\onslide<\coun ->{ ....}

doesn't work. What is the correct way to do this?


Use \value{coun} instead:




Always here
\onslide<\value{coun} ->{on slide 3}

In general, with LaTeX counters then \value{<counter name>} expands to the value of the counter. The counter name itself is not a macro so there's some magic under the bonnet that links the counter name (in this case coun) with a macro that displays its value.

(Note: In the original, I had \thecoun in place of \value{coun}. As Matthew pointed out in the comments, \value{coun} is the correct one to have here.)

  • 2
    Does \value{coun} work as well? \thecoun can be redefined to give non-numeric renderings of the counter value. But \value{coun} should always give the arabic value. – Matthew Leingang Dec 6 '10 at 13:41
  • 1
    @Matthew: you are absolutely right. I'll change my answer. – Andrew Stacey Dec 6 '10 at 13:48
  • 1
    Will Robertson reminded me of that a few days ago. Though it's unlikely the OP would change \thecoun and get errors, it is "the LaTeX way." – Matthew Leingang Dec 6 '10 at 15:40
  • (Missed one; edited again) – Andrew Stacey Dec 6 '10 at 21:38

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