Erlang — How to convert a fun() object to a String

Question

Is there a straightforward way to convert an Erlang fun to a string? A call to io_lib:format only prints the function reference, e.g.

Answer 1

You might be able to use erlang:fun_info/2 for that, atleast i get some information from the shell when doing

1> erlang:fun_info(fun() -> test,ok end, env).
{env,[[],
     {value,#Fun},
     {eval,#Fun},
     [{clause,1,[],[],[{atom,1,test},{atom,1,ok}]}]]}
2>

You want the last list with the clause atom and then pretty print it using for instance erl_pp