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shiny/tests
Barbara Borges Ribeiro dae11765bc allow the choices argument in checkboxGroupInput() to be NULL (#1652)
* allow the `choices` argument in `checkboxGroupInput()` to be `NULL` or `c()` to keep backward compatibility with Shiny < 1.0.1 (fixes #1649)

* use vapply

* added one more test; reimplemented logic for checking if choice args are null
2017-04-05 10:12:44 -05:00
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2016-03-03 15:00:51 -06:00