On Saturday, December 12, 2020 at 7:40:44 PM UTC-8 [email protected] wrote:
> Uncaught RangeError: Maximum call stack size exceeded
>
This error is indicative of a run-away recursion. Without digging into the
code myself, I'm not sure why this is the case. In any event, I suggest
entirely avoiding the complexity (and processing overhead) of recursion by
using the following alternative macro definition:
\define padder(str,len) {{{
[[$str$]addprefix[0000000000]split[]last[$len$]join[]] }}}
This will work to pad numbers up to 10 digits long (as determined by the
number of zeros in the addprefix[...] operator) and you would use it in
exactly the same way as the recursive macro:
<$macrocall $name="padder" str={{!!cnum}} len="2" />
Note that, starting with the soon to be released TW v5.1.23, there is a new
filter operator, pad[...], which will accomplish the same result without
needing any custom macro definition.
To use this new filter, you would just write the following inline filter
instead of using <$macrocall ...>
{{{ [{!!cnum}pad[2]] }}}
enjoy,
-e
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