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-rw-r--r--lib/compiler/src/cerl.erl19
1 files changed, 11 insertions, 8 deletions
diff --git a/lib/compiler/src/cerl.erl b/lib/compiler/src/cerl.erl
index 74fc0878cf..4b74d60e9f 100644
--- a/lib/compiler/src/cerl.erl
+++ b/lib/compiler/src/cerl.erl
@@ -1,19 +1,19 @@
%%
%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
-%%
+%%
+%% Copyright Ericsson AB 2001-2010. All Rights Reserved.
+%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
-%%
+%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
-%%
+%%
%% %CopyrightEnd%
%% =====================================================================
@@ -122,6 +122,9 @@
bitstr_bitsize/1, bitstr_unit/1, bitstr_type/1,
bitstr_flags/1]).
+-export_type([c_binary/0, c_call/0, c_clause/0, c_cons/0, c_fun/0, c_literal/0,
+ c_module/0, c_tuple/0, c_values/0, c_var/0, cerl/0, var_name/0]).
+
%%
%% needed by the include file below -- do not move
%%
@@ -970,7 +973,7 @@ atom_name(Node) ->
%% TODO: replace the use of the unofficial 'write_string/2'.
--spec atom_lit(cerl()) -> string().
+-spec atom_lit(cerl()) -> nonempty_string().
atom_lit(Node) ->
io_lib:write_string(atom_name(Node), $'). %' stupid Emacs.
@@ -1076,7 +1079,7 @@ char_val(Node) ->
%%
%% @see c_char/1
--spec char_lit(c_literal()) -> string().
+-spec char_lit(c_literal()) -> nonempty_string().
char_lit(Node) ->
io_lib:write_char(char_val(Node)).
@@ -1175,7 +1178,7 @@ string_val(Node) ->
%%
%% @see c_string/1
--spec string_lit(c_literal()) -> string().
+-spec string_lit(c_literal()) -> nonempty_string().
string_lit(Node) ->
io_lib:write_string(string_val(Node)).