futile.logger, knitr, lgr, logger, logging, microbenchmark,
rmarkdown, testthat
futile.logger, httr, jsonlite, knitr, lgr, logger, logging,
loggit, microbenchmark, rlog, rmarkdown, rsyslog, testthat
futile.logger, httr, jsonlite, knitr, lgr, logger, logging,
loggit, microbenchmark, rlog, rmarkdown, rsyslog, testthat (>=
3.0.0)