Check that the version of an imported package satisfies the requirements
Check that the version of an suggested package satisfies the requirements
Run a examples for an in-development function.
In-development help for package loaded with devtools
Drop-in replacements for help and ? functions
Return imports environment for a package
Is the package currently under development?
Return the namespace environment for a package.
Helper functions for working with development packages.
pkgload: Simulate Package Installation and Attach
Return the path to one of the packages in the devtools test dir