Set or clear a default controller for use with rrq functions. You
will want to use this to avoid passing controller in as a named
argument to every function.
Usage
rrq_default_controller_set(controller)
rrq_default_controller_clear()
Arguments
- controller
An rrq_controller object, or NULL to clear the
default controller (equivalent to using
rrq_default_controller_clear)
Value
Invisibly, the previously set default controller (or
NULL if none was set)