On 2018-04-09 15:29, Liam Goodacre wrote:
> If you don't mind using externals, you can use [iemguts/canvasargs] or 
> [else/args]. I can't think of a way of doing this in Vanilla though. As you 
> say, no argument seems to be indistinguishable from 0.

for a given argument, it's possible. e.g.:
(it's also possible to count the number of arguments, but more complicated)


(the code has to be copied verbatim into your abstraction and cannot be
wrapped into a helper-abstraction)


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