Simulates the process of installing a package and then attaching it. This is a key part of the 'devtools' package as it allows you to rapidly iterate while developing a package.
copied from cf-staging / r-pkgloadconda install conda-forge::r-pkgload
conda install conda-forge/label/cf201901::r-pkgload
conda install conda-forge/label/cf202003::r-pkgload
conda install conda-forge/label/gcc7::r-pkgload