
[;1m  function_exported(Module, Function, Arity)[0m

  Returns [;;4mtrue[0m if the module [;;4mModule[0m is current and contains an
  exported function [;;4mFunction/Arity[0m, or if there is a BIF (a
  built-in function implemented in C) with the specified name,
  otherwise returns [;;4mfalse[0m.
