| curl.workaround | R Documentation | 
https://github.com/grimbough/biomaRt/issues/39
curl.workaround(expr, verbose = FALSE)
expr | 
 expression  | 
verbose | 
 if expression fails, then activates verbose on next call to curl.  | 
result of expression
## Not run: 
  loose.rock:::curl.workaround({
      biomaRt::useMart(
          biomart = "ensembl",
          dataset = 'hsapiens_gene_ensembl')
  })
## End(Not run)
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