| as.code | Convert object to code | 
| as.code.code | Convert object to code | 
| as.code.default | Convert object to code | 
| as.codelist | Convert an object to a codelist object | 
| as.codelist.codelist | Convert an object to a codelist object | 
| as.codelist.data.frame | Convert an object to a codelist object | 
| as.label | Label character vector as label to use in comparisons with a code vector | 
| cl | Get the code list associated with the object | 
| cl.code | Get the code list associated with the object | 
| cl.default | Get the code list associated with the object | 
| cl_filter | Filter a code list | 
| cl_is_valid | Check if the codelist is valid | 
| cl_levels | Get the hierarchical level for each code in a code list | 
| cl_locale | Get the locale to use with the codelist | 
| cl_nlevels | Get the number of hierarchical levels in a code list | 
| code | Code vector | 
| codelist | Create a codelist object | 
| codes | Get the codes belonging to given labels | 
| codes.code | Get the codes belonging to given labels | 
| codes.default | Get the codes belonging to given labels | 
| format.code | Format a code object for pretty printing | 
| in_labels | Match codes based on label | 
| is.code | Check if object is a code | 
| is.codelist | Check if an object is a Code List | 
| is.missing | Find out which elements of a vector have missing values | 
| labels.code | Convert vector with codes to factor using a code list | 
| levelcast | Recode codes to a higher level in a hierarchy | 
| objectcodes | Example code list for object types | 
| objectsales | Example data set to demonstrate working with code lists | 
| to_codes | Get the codes belonging to given labels | 
| to_labels | Convert vector with codes to factor using a code list |