Description Usage Arguments Value Examples
When Shiny starts all reactive expression are run through with empty input parameters,
e.g. for initialising variables for the expression. Mostly the output can only generated if
all input parameters are set/given. Thus anyUndefined
delivers FALSE
is any
cecked input
parameter is not set.
1 |
... |
list of parameters to check |
boolean
1 | anyUndefined(list(), NULL)
|
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