[R] labeled break statements in R?

[Roger Levy]

Prof Brian Ripley <ripley at stats.ox.ac.uk> writes:

> On 18 Aug 2004, Roger Levy wrote:
> 
> > Are there labeled break statements in R?  i.e., something along the
> > lines of
> > 
> > TOPLOOP: for(i in 1:m) {
> >   for(j in 1:n) {
> >     ...
> >     if(condition) {
> >        break TOPLOOP
> >     }
> >   }
> > }
> 
> No, but if you find yourself using nested for loops it is very likely that 
> you are not thinking in the right way for a vector language.
> 
> R does have a `R Language Definition' manual.  It's long been an
> unfinished draft but it is not so incomplete as to omit reserved words.
> It and the S reference books are the places to research questions like 
> this.

Many thanks for the fast response -- I actually had looked in the R
language manual, and nothing was said about labeled breaks one way or
the other.  The section on looping was terse enough that I thought it
might have been omitted.

Roger