yml_verbatim() is a helper function to write YAML precisely as given to the
yml_*() function rather than the defaults in ymlthis and yaml. ymlthis uses
the yaml package to check for valid syntax; yaml and ymlthis together make
decisions about how to write syntax, which can often be done in numerous
valid ways. See
yaml::as.yaml() for more details.
a character vector
an object of class
# "yes" and "no" serve as alternatives to `true` and `false`. This writes # "yes" literally. yml_verbatim("yes") #>  "yes" #> attr(,"class") #>  "verbatim"