defer() can set deferred events on
.GlobalEnv to facilitate the interactive development of code inside a function or test. Helpers
deferred_clear()) provide a way to explicity run and clear (or just clear) deferred events (#76, @jennybc).
Fixes test failures with testthat 2.0.0
with_file() function to automatically remove files.
with_connection() function to automatically close R file connections.
with_db_connection() function to automatically disconnect from DBI database connections.
with_gctorture2 command to run code with gctorture2, useful for testing (#47).
code argument from
local_ functions (#50).
assignmentargument to allow specifying additional assignment types.