[.safeframe             Subsetting of safeframe objects
has_tag                 A selector function to use in 'tidyverse'
                        functions
lost_tags_action        Check and set behaviour for lost tags
make_safeframe          Create a safeframe from a data.frame
print.safeframe         Printing method for safeframe objects
set_tags                Change tags of a safeframe object
tags                    Get the list of tags in a safeframe
tags_df                 Extract a data.frame of all tagged variables
type                    Type Selection Helper
validate_safeframe      Checks the content of a safeframe object
validate_tags           Checks the tags of a safeframe object
validate_types          Type check variables
vars_tags               Internal printing function for variables and
                        tags
