This is an R implementation of python's repr() function.
All objects will have a default repr that uses its print method.
This is important because the pprint() function will always
be able to give a repr-esque output of any object.
repr(x, indent = 0L, ...)A character vector of class c("repr_output", "character"), each element is a line
Object to represent
Indentation level (number of spaces)
Additional arguments passed to methods