Not sure about within Bioconductor but Hadley has a package to do this.
https://github.com/hadley/assertthat
On Wed, Jul 22, 2015 at 4:13 PM, Michael Love <michaelisaiahl...@gmail.com>
wrote:
> it's slightly annoying to write
>
> foo <- function(x) {
> if ( ! is.numeric(x) ) stop("x should be numeric")
> if ( ! length(x) == 2 ) stop("x should be length 2")
> c(x[2], x[1])
> }
>
> i wonder if we could have some core functions that test the class and
> the length in one and give the appropriate stop message.
>
> maybe this exists already
>
> -Mike
>
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