Session {methods} | R Documentation |
Deprecated: Session Data and Debugging Tools
Description
The functions traceOn
and traceOff
have been replaced by
extended versions of the functions trace
and
untrace
, and should not be used.
Usage
sessionData()
traceOn(what, tracer=browseAll, exit=NULL)
traceOff(what)
browseAll()
Details
sessionData
:-
return the index of the session data in the search list, attaching it if it is not attached.
traceOn
:-
initialize tracing on calls to function
what
. The function or expressiontracer
is called on entry, and the function or expressionexit
on exit. traceOff
:-
turn off tracing of this function.
browseAll
:-
browse the current stack of function calls.
Uses the function
debugger
to set up browser calls on the frames. On exit from that function, computation continues after the call tobrowseAll
. Computations done in the frames will have no effect.
References
Chambers, John M. (2008) Software for Data Analysis: Programming with R Springer. (For the R version.)
Chambers, John M. (1998) Programming with Data Springer (For the original S4 version.)