TheZetner opened a new issue, #37763:
URL: https://github.com/apache/arrow/issues/37763

   ### Describe the enhancement requested
   
   Creating user defined functions with `register_scalar_function()` makes them 
available as compute functions for interaction with Arrow via the dplyr 
interface. Once registered there isn't an easy way to list the user created 
functions. Calling `list_compute_functions()` gives a long list of **all** the 
available Arrow library compute functions with the user defined/registered ones 
mixed in and no information about how to use them. It would be lovely to be 
able to examine the user defined functions in some way.
   
   Ideas:
   - Show registered scalar functions in global env prefixed or suffixed with 
.rcf or something
   - Have one uber-function that when called lists the code / inputs / outputs 
of the registered functions
   
   Cheers
   
   ### Component(s)
   
   R


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