Built-in categories: "inefficient". Action is one of "ignore", "warn",
"error", or a function function(message, ...) invoked by emit_action().
Usage
register_dafr_handler(category, action)
Arguments
- category
Character scalar: the action category.
- action
Either a string ("ignore", "warn", "error") or a function
taking the message as its first argument.
Examples
register_dafr_handler("inefficient", "ignore")
register_dafr_handler("inefficient", "warn")