Helper functions used by packages to facilitate snctrl updating.
Source: R/control.utilities.R
snctrl-API.RdHelper functions used by packages to facilitate snctrl updating.
Usage
snctrl_names()
update_snctrl(myname, arglists = NULL, callback = NULL)
collate_controls(x = NULL, ...)
UPDATE_MY_SCTRL_EXPR
COLLATE_ALL_MY_CONTROLS_EXPRFormat
UPDATE_MY_SCTRL_EXPR is a quoted expression meant to be passed directly to eval().
COLLATE_ALL_MY_CONTROLS_EXPR is a quoted expression meant to be passed directly to eval().
Arguments
- myname
Name of the package defining the arguments.
- arglists
A named list of argument name-default pairs. If the list is not named, it is first passed through
collate_controls().- callback
A function with no arguments that updates the packages own copy of
snctrl().- x
Either a function, a list of functions, or an environment. If
xis an environment, all functions starting with dQuote(control.) are obtained.- ...
Additional functions or lists of functions.
Value
update_snctrl() has no return value and is used for its side-effects.
collate_controls() returns the combined list of name-default pairs of each function.
Functions
snctrl_names(): Typeset the currently defined list of argument names by package and control function.update_snctrl(): Typically called from.onLoad(), Update the argument list ofsnctrl()to include additional argument names associated with the package, and set a callback for the package to update its own copy.collate_controls(): Obtain and concatenate the argument lists of specified functions or all functions starting with dQuote(control.) in the environment.UPDATE_MY_SCTRL_EXPR: A stored expression that, if evaluated, will create a callback functionupdate_my_snctrl()that will update the client package's copy ofsnctrl().COLLATE_ALL_MY_CONTROLS_EXPR: A stored expression that, if evaluated on loading, will add arguments of the package'scontrol.*()functions tosnctrl()and set the callback.