with_package: Execture code with a modified search path
Description
Attaches a package to the search path (if not already attached), executes code and
eventually removes the package from the search path again, restoring the previous state.
Usage
with_package(package, code, ...)
Arguments
package
(character(1))
Name of the package to attach.
code
(expression)
Code to run.
...
(any)
Additional arguments passed to library().
Value
Result of the evaluation of code.