R Under development (unstable) (2025-09-17 r88852 ucrt) -- "Unsuffered Consequences"
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> require(houba)
Loading required package: houba
> x <- mvector("int", 6)
> dim(x) <- 2:3
> stopifnot( is(x, "mmatrix") )
> dim(x) <- c(2,1,3)
> stopifnot( is(x, "marray") )
> dim(x) <- NULL
> stopifnot( is(x, "mvector") )
> 
> 
> proc.time()
   user  system elapsed 
   0.32    0.09    0.40