``` r p. <- quote((.)) sloop::s3_class(p.) #> [1] "(" "call" foo <- function(x) UseMethod("foo") foo.call <- function(x) "produced inside foo.call" foo(p.) #> Error in UseMethod("foo"): no applicable method for 'foo' applied to an object of class "(" `foo.(` <- function(x) "produced inside foo.(" foo(p.) #> [1] "produced inside foo.(" ``` <sup>Created on 2019-11-22 by the [reprex package](https://reprex.tidyverse.org) (v0.3.0)</sup>
Created on 2019-11-22 by the reprex package (v0.3.0)