On tagbar open modules may be folded.

Author: Gaspar Chilingarov

plugin/vim-ide-elixir.vim

@@ -2,7 +2,6 @@
 " vim: et ts=2 sts=2 sw=2
 "
 
-
 let s:path = fnamemodify(resolve(expand('<sfile>:p')), ':h:h')
 let s:bundle_path = s:path."/bundle"
 
@@ -91,7 +90,7 @@ let g:tagbar_type_elixir = {
     \ 'deffile' : s:path . '/extras/elixir-ctags/.ctags',
     \ 'transform': function("Tag_transform"),
     \ 'kinds' : [
-        \ 'm:modules',
+        \ 'm:modules:1',
         \ 'O:OTP callbacks',
         \ 't:tests',
         \ 'f:functions (public)',