repr: The "official" string representation of an object.
Description
The "official" string representation of an object. If at all possible,
this should look like a valid R expression that could be used to recreate
an object wit the same value (given an appropriate environment). This
description is copied from the python documentation.
Usage
repr(x, ...)
Value
A string.
Arguments
x
Object.
...
Additional arguments needed for computing the string.