R Under development (unstable) (2024-03-08 r86070 ucrt) -- "Unsuffered Consequences"
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> ## pps="brewer" can't use rcpp
> ## this checks that it doesn't
> library(survey)
Loading required package: grid
Loading required package: Matrix
Loading required package: survival

Attaching package: 'survey'

The following object is masked from 'package:graphics':

    dotchart

> data(election)
> 
> dpps_br<- svydesign(id=~1,  fpc=~p, data=election_pps, pps="brewer")
> options(survey.use_rcpp=TRUE)
> a<-svytotal(~Bush+Kerry+Nader, dpps_br)
> options(survey.use_rcpp=FALSE)
> b<-svytotal(~Bush+Kerry+Nader, dpps_br)
> 
> stopifnot(identical(a,b))
> 
> proc.time()
   user  system elapsed 
   1.06    0.06    1.12