Last data update: 2014.03.03
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R: Check if an R expression produces warnings or errors
has_warning | R Documentation |
Check if an R expression produces warnings or errors
Description
The two functions has_warning() and has_error() check if an
expression produces warnings and errors, respectively.
Usage
has_warning(expr)
has_error(expr)
Arguments
Value
A logical value.
Examples
has_warning(1 + 1)
has_warning(1:2 + 1:3)
has_error(2 - 3)
has_error(1 + "a")
Results
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