errorist package is designed to provide support for newcomers to R who are learning how to write code. Philosophically,
errorist takes the position of being as invisible as possible. To achieve the invisibility, on package load, handlers to receive error and warning message are automatically created and applied. These handlers propogate the messages raised by R into the
searcher package, which automatically searches the contents on Google by default.
errorist in a causal manner, please type:
To remove the
errorist handlers, please either call the
disable_errorist() function or detach the package.
During development, many issues can arise. With
errorist enabled, each error is automatically searched. For instance, if we typed a function that wasn’t defined, we’d get:
#> Error in f() : could not find function "f" #> Searching query in a web browser ...
Outside of errors, the second most common issue is receiving warnings. Warnings only indicate a recoverable issue has occurred during a function run. As a result, there can be many warnings that build up during an estimation routine. If
errorist is enabled, each unique warning will automatically be searched within its own tab in the browser. As an example, consider the following function:
When run, the
many_warnings() function will issue exactly four warnings. However, only three of these warnings are unique. Thus, there will be exactly three searches performed after the function finishes its execution. As a result, the output will be like:
#> Warning messages: #> 1: In many_warnings() : First warning #> 2: In many_warnings() : Second warning #> 3: In many_warnings() : Random warning #> Searching query in a web browser ... #> Searching query in a web browser ... #> Searching query in a web browser ...