[Rd] Using unit-tests as examples

[Alexey Sergushichev]

Hi,

Which is the best way to use unit tests as examples for documentation?
I use testthat, but if there is a good way to do this, for example,
only with RUnit, it'd still be good to know.

Unit-tests are usually simple and concise, so they are good candidates
for example code, but I don't want to copy them into documentation and
maintain by hands. I tried to google how people handle this, but
didn't find anything.

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Best regards,
Alexey