Temporarily prepend a new temporary directory to the library paths.
with_temp_libpaths(code, action = "prefix")
local_temp_libpaths(action = "prefix", .local_envir = parent.frame())
[any] Code to execute in the temporary environment
[character(1)] should new values
"suffix" existing paths.
[environment] The environment to use for scoping.
[any] The results of the evaluation of the
withr for examples