set_hooks {evaluate} | R Documentation |
Set and remove hooks
Description
This interface wraps the base setHook()
function to provide a return
value that makes it easy to undo.
Usage
set_hooks(hooks, action = "append")
remove_hooks(hooks)
Arguments
hooks |
a named list of hooks - each hook can either be a function or a list of functions. |
action |
|
Examples
new1 <- list(before.plot.new = function() print("Plotted!"))
new2 <- list(before.plot.new = function() print("Plotted Again!"))
set_hooks(new1)
set_hooks(new2)
plot(1)
remove_hooks(new1)
plot(1)
remove_hooks(new2)
plot(1)
[Package evaluate version 1.0.4 Index]