Use this function if your resource/indicator function requires the
namespace of a certain package to be available. An informative error/warning
message is printed if that is not the case.
Usage
check_namespace(pkg, error = TRUE)
Arguments
- pkg
A character vector of length one indicating a package name
for which the namespace is tested
- error
A logical indicating whether or not to promote missing namespace
to error. If FALSE, a warning is emitted.
Value
TRUE, invisible, if the namespace is available. An error message
if error = TRUE
, FALSE and a warning otherwise.