How to display verbatim inline r code with backticks using Rmarkdown?

Question

By doubling the backticks in Markdown, it is easy to render some text in code style including the backticks, such as: `r 2+2`. But how to do that with RMark

Answer 1

Here is a satisfactory finding. First define the function

rinline <- function(code){
  html <- '``` `r CODE` ```'
  sub("CODE", code, html)
}

in an invisible chunk. Then you can show `r 2+2` by typing:

Some R code inline : `r rinline("2+2")` - nice