   a record after extracting it from an Erlang library that uses anonymous
   functions for defaults.
 
-      Record.defrecord :my_rec, Record.extract(...)
+      Record.defrecord(:my_rec, Record.extract(...))
       #=> ** (ArgumentError) invalid value for record field fun_field,
       #=>   cannot escape #Function<12.90072148/2 in :erl_eval.expr/5>.
 

  ## Examples

      iex> Record.extract(:file_info, from_lib: "kernel/include/file.hrl")
      [size: :undefined, type: :undefined, access: :undefined, atime: :undefined,
       mtime: :undefined, ctime: :undefined, mode: :undefined, links: :undefined,
       major_device: :undefined, minor_device: :undefined, inode: :undefined,
       uid: :undefined, gid: :undefined]

  """
  @spec extract(name :: atom, keyword) :: keyword


      defmodule User do
        require Record
        Record.defrecord(:user, Customer, name: nil)
      end

      require User
