
R version 4.3.1 (2023-06-16) -- "Beagle Scouts"
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Platform: x86_64-pc-linux-gnu (64-bit)

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> 
>  library(mcmc)
> 
> # should give intelligible error (unlike before ver 0.9-8)
> 
>  suppressMessages(try(metrop(function(x) x, double(0), nbatch = 10)))
Error in system.time(out <- .Call(C_metrop, func1, initial, nbatch, blen,  : 
  argument "initial" must have nonzero length
> 
> proc.time()
   user  system elapsed 
  0.198   0.021   0.209 
