call_with_callback {pkgcache} | R Documentation |
Call func
and then call callback
with the result
Description
callback
will be called with two arguments, the first one will the
error object if func()
threw an error, or NULL
otherwise. The second
argument is NULL
on error, and the result of func()
otherwise.
Usage
call_with_callback(func, callback, info = NULL)
Arguments
func |
Function to call. |
callback |
Callback to call with the result of |
info |
Extra info to add to the error object. Must be a named list. |
[Package pkgcache version 2.2.4 Index]