For medium article on https://medium.com/p/abc365ced828/edit

infix.r

`infix_fn` <- function(left, right) {
#...some code
}

using_infix.r

d <- a %infix_fn% b

using_rcall.jl

using RCall
R"a <- data.table::fread('some/path/file.csv")
@rget a