assert_pkgs: Check availability of required packages
Description
Used internally, helper function to check if SUGGESTED packages are
available. Will halt execution if any of the queried packages are not
available and provide installation instructions.
Usage
assert_pkgs(pkgs = NULL)
Value
TRUE if all packages available, otherwise execution is halted with
an error.
Arguments
pkgs,
character vector with name(s) of package(s) to check.